20025200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3851}}^1$

素因数の和:3882

約数の個数: 60

約数和(自身を含む): 51824808

約数和(自身を除く): 31799608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3851, 5200, 7702, 15404, 19255, 30808, 38510, 50063, 61616, 77020, 96275, 100126, 154040, 192550, 200252, 250315, 308080, 385100, 400504, 500630, 770200, 801008, 1001260, 1251575, 1540400, 2002520, 2503150, 4005040, 5006300, 10012600, 20025200]

約数ペア:

[(1, 20025200), (2, 10012600), (4, 5006300), (5, 4005040), (8, 2503150), (10, 2002520), (13, 1540400), (16, 1251575), (20, 1001260), (25, 801008), (26, 770200), (40, 500630), (50, 400504), (52, 385100), (65, 308080), (80, 250315), (100, 200252), (104, 192550), (130, 154040), (200, 100126), (208, 96275), (260, 77020), (325, 61616), (400, 50063), (520, 38510), (650, 30808), (1040, 19255), (1300, 15404), (2600, 7702), (3851, 5200)]