51877540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 137951856

約数和(自身を除く): 86074316

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 97, 110, 121, 130, 143, 170, 187, 194, 220, 221, 242, 260, 286, 340, 374, 388, 442, 484, 485, 572, 605, 715, 748, 884, 935, 970, 1067, 1105, 1210, 1261, 1430, 1573, 1649, 1870, 1940, 2057, 2134, 2210, 2420, 2431, 2522, 2860, 3146, 3298, 3740, 4114, 4268, 4420, 4862, 5044, 5335, 6292, 6305, 6596, 7865, 8228, 8245, 9724, 10285, 10670, 11737, 12155, 12610, 13871, 15730, 16490, 18139, 20570, 21340, 21437, 23474, 24310, 25220, 26741, 27742, 31460, 32980, 36278, 41140, 42874, 46948, 48620, 53482, 55484, 58685, 69355, 72556, 85748, 90695, 106964, 107185, 117370, 133705, 138710, 152581, 181390, 199529, 214370, 234740, 235807, 267410, 277420, 305162, 362780, 399058, 428740, 471614, 534820, 610324, 762905, 798116, 943228, 997645, 1179035, 1525810, 1995290, 2358070, 2593877, 3051620, 3990580, 4716140, 5187754, 10375508, 12969385, 25938770, 51877540]

約数ペア:

[(1, 51877540), (2, 25938770), (4, 12969385), (5, 10375508), (10, 5187754), (11, 4716140), (13, 3990580), (17, 3051620), (20, 2593877), (22, 2358070), (26, 1995290), (34, 1525810), (44, 1179035), (52, 997645), (55, 943228), (65, 798116), (68, 762905), (85, 610324), (97, 534820), (110, 471614), (121, 428740), (130, 399058), (143, 362780), (170, 305162), (187, 277420), (194, 267410), (220, 235807), (221, 234740), (242, 214370), (260, 199529), (286, 181390), (340, 152581), (374, 138710), (388, 133705), (442, 117370), (484, 107185), (485, 106964), (572, 90695), (605, 85748), (715, 72556), (748, 69355), (884, 58685), (935, 55484), (970, 53482), (1067, 48620), (1105, 46948), (1210, 42874), (1261, 41140), (1430, 36278), (1573, 32980), (1649, 31460), (1870, 27742), (1940, 26741), (2057, 25220), (2134, 24310), (2210, 23474), (2420, 21437), (2431, 21340), (2522, 20570), (2860, 18139), (3146, 16490), (3298, 15730), (3740, 13871), (4114, 12610), (4268, 12155), (4420, 11737), (4862, 10670), (5044, 10285), (5335, 9724), (6292, 8245), (6305, 8228), (6596, 7865)]