39987480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25633}}^1$

素因数の和:25660

約数の個数: 64

約数和(自身を含む): 129195360

約数和(自身を除く): 89207880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25633, 51266, 76899, 102532, 128165, 153798, 205064, 256330, 307596, 333229, 384495, 512660, 615192, 666458, 768990, 999687, 1025320, 1332916, 1537980, 1666145, 1999374, 2665832, 3075960, 3332290, 3998748, 4998435, 6664580, 7997496, 9996870, 13329160, 19993740, 39987480]

約数ペア:

[(1, 39987480), (2, 19993740), (3, 13329160), (4, 9996870), (5, 7997496), (6, 6664580), (8, 4998435), (10, 3998748), (12, 3332290), (13, 3075960), (15, 2665832), (20, 1999374), (24, 1666145), (26, 1537980), (30, 1332916), (39, 1025320), (40, 999687), (52, 768990), (60, 666458), (65, 615192), (78, 512660), (104, 384495), (120, 333229), (130, 307596), (156, 256330), (195, 205064), (260, 153798), (312, 128165), (390, 102532), (520, 76899), (780, 51266), (1560, 25633)]