64373980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9439}}^1$

素因数の和:9490

約数の個数: 48

約数和(自身を含む): 152248320

約数和(自身を除く): 87874340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 9439, 18878, 37756, 47195, 94390, 103829, 188780, 207658, 292609, 415316, 519145, 585218, 1038290, 1170436, 1463045, 2076580, 2926090, 3218699, 5852180, 6437398, 12874796, 16093495, 32186990, 64373980]

約数ペア:

[(1, 64373980), (2, 32186990), (4, 16093495), (5, 12874796), (10, 6437398), (11, 5852180), (20, 3218699), (22, 2926090), (31, 2076580), (44, 1463045), (55, 1170436), (62, 1038290), (110, 585218), (124, 519145), (155, 415316), (220, 292609), (310, 207658), (341, 188780), (620, 103829), (682, 94390), (1364, 47195), (1705, 37756), (3410, 18878), (6820, 9439)]