2559456640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307627}}^1$

素因数の和:307659

約数の個数: 64

約数和(自身を含む): 6589391760

約数和(自身を除く): 4029935120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 307627, 615254, 1230508, 1538135, 2461016, 3076270, 3999151, 4922032, 6152540, 7998302, 9844064, 12305080, 15996604, 19688128, 19995755, 24610160, 31993208, 39376256, 39991510, 49220320, 63986416, 79983020, 98440640, 127972832, 159966040, 196881280, 255945664, 319932080, 511891328, 639864160, 1279728320, 2559456640]

約数ペア:

[(1, 2559456640), (2, 1279728320), (4, 639864160), (5, 511891328), (8, 319932080), (10, 255945664), (13, 196881280), (16, 159966040), (20, 127972832), (26, 98440640), (32, 79983020), (40, 63986416), (52, 49220320), (64, 39991510), (65, 39376256), (80, 31993208), (104, 24610160), (128, 19995755), (130, 19688128), (160, 15996604), (208, 12305080), (260, 9844064), (320, 7998302), (416, 6152540), (520, 4922032), (640, 3999151), (832, 3076270), (1040, 2461016), (1664, 1538135), (2080, 1230508), (4160, 615254), (8320, 307627)]