65902640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 162846720

約数和(自身を除く): 96944080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 191, 227, 304, 380, 382, 454, 760, 764, 908, 955, 1135, 1520, 1528, 1816, 1910, 2270, 3056, 3629, 3632, 3820, 4313, 4540, 7258, 7640, 8626, 9080, 14516, 15280, 17252, 18145, 18160, 21565, 29032, 34504, 36290, 43130, 43357, 58064, 69008, 72580, 86260, 86714, 145160, 172520, 173428, 216785, 290320, 345040, 346856, 433570, 693712, 823783, 867140, 1647566, 1734280, 3295132, 3468560, 4118915, 6590264, 8237830, 13180528, 16475660, 32951320, 65902640]

約数ペア:

[(1, 65902640), (2, 32951320), (4, 16475660), (5, 13180528), (8, 8237830), (10, 6590264), (16, 4118915), (19, 3468560), (20, 3295132), (38, 1734280), (40, 1647566), (76, 867140), (80, 823783), (95, 693712), (152, 433570), (190, 346856), (191, 345040), (227, 290320), (304, 216785), (380, 173428), (382, 172520), (454, 145160), (760, 86714), (764, 86260), (908, 72580), (955, 69008), (1135, 58064), (1520, 43357), (1528, 43130), (1816, 36290), (1910, 34504), (2270, 29032), (3056, 21565), (3629, 18160), (3632, 18145), (3820, 17252), (4313, 15280), (4540, 14516), (7258, 9080), (7640, 8626)]