1254276640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{412591}}^1$

素因数の和:412625

約数の個数: 48

約数和(自身を含む): 3119195520

約数和(自身を除く): 1864918880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 412591, 825182, 1650364, 2062955, 3300728, 4125910, 6601456, 7839229, 8251820, 13202912, 15678458, 16503640, 31356916, 33007280, 39196145, 62713832, 66014560, 78392290, 125427664, 156784580, 250855328, 313569160, 627138320, 1254276640]

約数ペア:

[(1, 1254276640), (2, 627138320), (4, 313569160), (5, 250855328), (8, 156784580), (10, 125427664), (16, 78392290), (19, 66014560), (20, 62713832), (32, 39196145), (38, 33007280), (40, 31356916), (76, 16503640), (80, 15678458), (95, 13202912), (152, 8251820), (160, 7839229), (190, 6601456), (304, 4125910), (380, 3300728), (608, 2062955), (760, 1650364), (1520, 825182), (3040, 412591)]