39946940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 97732656

約数和(自身を除く): 57785716

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 971, 1210, 1870, 1942, 2057, 2420, 3740, 3884, 4114, 4855, 8228, 9710, 10285, 10681, 16507, 19420, 20570, 21362, 33014, 41140, 42724, 53405, 66028, 82535, 106810, 117491, 165070, 181577, 213620, 234982, 330140, 363154, 469964, 587455, 726308, 907885, 1174910, 1815770, 1997347, 2349820, 3631540, 3994694, 7989388, 9986735, 19973470, 39946940]

約数ペア:

[(1, 39946940), (2, 19973470), (4, 9986735), (5, 7989388), (10, 3994694), (11, 3631540), (17, 2349820), (20, 1997347), (22, 1815770), (34, 1174910), (44, 907885), (55, 726308), (68, 587455), (85, 469964), (110, 363154), (121, 330140), (170, 234982), (187, 213620), (220, 181577), (242, 165070), (340, 117491), (374, 106810), (484, 82535), (605, 66028), (748, 53405), (935, 42724), (971, 41140), (1210, 33014), (1870, 21362), (1942, 20570), (2057, 19420), (2420, 16507), (3740, 10681), (3884, 10285), (4114, 9710), (4855, 8228)]