128289200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{24671}}^1$

素因数の和:24702

約数の個数: 60

約数和(自身を含む): 331937088

約数和(自身を除く): 203647888

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, 5200, 24671, 49342, 98684, 123355, 197368, 246710, 320723, 394736, 493420, 616775, 641446, 986840, 1233550, 1282892, 1603615, 1973680, 2467100, 2565784, 3207230, 4934200, 5131568, 6414460, 8018075, 9868400, 12828920, 16036150, 25657840, 32072300, 64144600, 128289200]

約数ペア:

[(1, 128289200), (2, 64144600), (4, 32072300), (5, 25657840), (8, 16036150), (10, 12828920), (13, 9868400), (16, 8018075), (20, 6414460), (25, 5131568), (26, 4934200), (40, 3207230), (50, 2565784), (52, 2467100), (65, 1973680), (80, 1603615), (100, 1282892), (104, 1233550), (130, 986840), (200, 641446), (208, 616775), (260, 493420), (325, 394736), (400, 320723), (520, 246710), (650, 197368), (1040, 123355), (1300, 98684), (2600, 49342), (5200, 24671)]