258720800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{24877}}^1$

素因数の和:24910

約数の個数: 72

約数和(自身を含む): 680214276

約数和(自身を除く): 421493476

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 24877, 49754, 99508, 124385, 199016, 248770, 323401, 398032, 497540, 621925, 646802, 796064, 995080, 1243850, 1293604, 1617005, 1990160, 2487700, 2587208, 3234010, 3980320, 4975400, 5174416, 6468020, 8085025, 9950800, 10348832, 12936040, 16170050, 19901600, 25872080, 32340100, 51744160, 64680200, 129360400, 258720800]

約数ペア:

[(1, 258720800), (2, 129360400), (4, 64680200), (5, 51744160), (8, 32340100), (10, 25872080), (13, 19901600), (16, 16170050), (20, 12936040), (25, 10348832), (26, 9950800), (32, 8085025), (40, 6468020), (50, 5174416), (52, 4975400), (65, 3980320), (80, 3234010), (100, 2587208), (104, 2487700), (130, 1990160), (160, 1617005), (200, 1293604), (208, 1243850), (260, 995080), (325, 796064), (400, 646802), (416, 621925), (520, 497540), (650, 398032), (800, 323401), (1040, 248770), (1300, 199016), (2080, 124385), (2600, 99508), (5200, 49754), (10400, 24877)]