2080394960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{530713}}^1$

素因数の和:530740

約数の個数: 60

約数和(自身を含む): 5626629828

約数和(自身を除く): 3546234868

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 530713, 1061426, 2122852, 2653565, 3714991, 4245704, 5307130, 7429982, 8491408, 10614260, 14859964, 18574955, 21228520, 26004937, 29719928, 37149910, 42457040, 52009874, 59439856, 74299820, 104019748, 130024685, 148599640, 208039496, 260049370, 297199280, 416078992, 520098740, 1040197480, 2080394960]

約数ペア:

[(1, 2080394960), (2, 1040197480), (4, 520098740), (5, 416078992), (7, 297199280), (8, 260049370), (10, 208039496), (14, 148599640), (16, 130024685), (20, 104019748), (28, 74299820), (35, 59439856), (40, 52009874), (49, 42457040), (56, 37149910), (70, 29719928), (80, 26004937), (98, 21228520), (112, 18574955), (140, 14859964), (196, 10614260), (245, 8491408), (280, 7429982), (392, 5307130), (490, 4245704), (560, 3714991), (784, 2653565), (980, 2122852), (1960, 1061426), (3920, 530713)]