56138420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 135304344

約数和(自身を除く): 79165924

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 977, 1105, 1690, 1954, 2210, 2873, 3380, 3908, 4420, 4885, 5746, 9770, 11492, 12701, 14365, 16609, 19540, 25402, 28730, 33218, 50804, 57460, 63505, 66436, 83045, 127010, 165113, 166090, 215917, 254020, 330226, 332180, 431834, 660452, 825565, 863668, 1079585, 1651130, 2159170, 2806921, 3302260, 4318340, 5613842, 11227684, 14034605, 28069210, 56138420]

約数ペア:

[(1, 56138420), (2, 28069210), (4, 14034605), (5, 11227684), (10, 5613842), (13, 4318340), (17, 3302260), (20, 2806921), (26, 2159170), (34, 1651130), (52, 1079585), (65, 863668), (68, 825565), (85, 660452), (130, 431834), (169, 332180), (170, 330226), (221, 254020), (260, 215917), (338, 166090), (340, 165113), (442, 127010), (676, 83045), (845, 66436), (884, 63505), (977, 57460), (1105, 50804), (1690, 33218), (1954, 28730), (2210, 25402), (2873, 19540), (3380, 16609), (3908, 14365), (4420, 12701), (4885, 11492), (5746, 9770)]