25800400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1288

約数の個数: 60

約数和(自身を含む): 63206892

約数和(自身を除く): 37406492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1217, 1325, 2120, 2434, 2650, 4240, 4868, 5300, 6085, 9736, 10600, 12170, 19472, 21200, 24340, 30425, 48680, 60850, 64501, 97360, 121700, 129002, 243400, 258004, 322505, 486800, 516008, 645010, 1032016, 1290020, 1612525, 2580040, 3225050, 5160080, 6450100, 12900200, 25800400]

約数ペア:

[(1, 25800400), (2, 12900200), (4, 6450100), (5, 5160080), (8, 3225050), (10, 2580040), (16, 1612525), (20, 1290020), (25, 1032016), (40, 645010), (50, 516008), (53, 486800), (80, 322505), (100, 258004), (106, 243400), (200, 129002), (212, 121700), (265, 97360), (400, 64501), (424, 60850), (530, 48680), (848, 30425), (1060, 24340), (1217, 21200), (1325, 19472), (2120, 12170), (2434, 10600), (2650, 9736), (4240, 6085), (4868, 5300)]