12900200

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 30583980

約数和(自身を除く): 17683780

約数列:

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

約数ペア:

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