80724380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 194890752

約数和(自身を除く): 114166372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 47, 55, 74, 94, 110, 148, 185, 188, 211, 220, 235, 370, 407, 422, 470, 517, 740, 814, 844, 940, 1034, 1055, 1628, 1739, 2035, 2068, 2110, 2321, 2585, 3478, 4070, 4220, 4642, 5170, 6956, 7807, 8140, 8695, 9284, 9917, 10340, 11605, 15614, 17390, 19129, 19834, 23210, 31228, 34780, 38258, 39035, 39668, 46420, 49585, 76516, 78070, 85877, 95645, 99170, 109087, 156140, 171754, 191290, 198340, 218174, 343508, 366929, 382580, 429385, 436348, 545435, 733858, 858770, 1090870, 1467716, 1717540, 1834645, 2181740, 3669290, 4036219, 7338580, 8072438, 16144876, 20181095, 40362190, 80724380]

約数ペア:

[(1, 80724380), (2, 40362190), (4, 20181095), (5, 16144876), (10, 8072438), (11, 7338580), (20, 4036219), (22, 3669290), (37, 2181740), (44, 1834645), (47, 1717540), (55, 1467716), (74, 1090870), (94, 858770), (110, 733858), (148, 545435), (185, 436348), (188, 429385), (211, 382580), (220, 366929), (235, 343508), (370, 218174), (407, 198340), (422, 191290), (470, 171754), (517, 156140), (740, 109087), (814, 99170), (844, 95645), (940, 85877), (1034, 78070), (1055, 76516), (1628, 49585), (1739, 46420), (2035, 39668), (2068, 39035), (2110, 38258), (2321, 34780), (2585, 31228), (3478, 23210), (4070, 19834), (4220, 19129), (4642, 17390), (5170, 15614), (6956, 11605), (7807, 10340), (8140, 9917), (8695, 9284)]