87148100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1629

約数の個数: 72

約数和(自身を含む): 208528320

約数和(自身を除く): 121380220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 1559, 2150, 2236, 2795, 3118, 4300, 5590, 6236, 7795, 11180, 13975, 15590, 20267, 27950, 31180, 38975, 40534, 55900, 67037, 77950, 81068, 101335, 134074, 155900, 202670, 268148, 335185, 405340, 506675, 670370, 871481, 1013350, 1340740, 1675925, 1742962, 2026700, 3351850, 3485924, 4357405, 6703700, 8714810, 17429620, 21787025, 43574050, 87148100]

約数ペア:

[(1, 87148100), (2, 43574050), (4, 21787025), (5, 17429620), (10, 8714810), (13, 6703700), (20, 4357405), (25, 3485924), (26, 3351850), (43, 2026700), (50, 1742962), (52, 1675925), (65, 1340740), (86, 1013350), (100, 871481), (130, 670370), (172, 506675), (215, 405340), (260, 335185), (325, 268148), (430, 202670), (559, 155900), (650, 134074), (860, 101335), (1075, 81068), (1118, 77950), (1300, 67037), (1559, 55900), (2150, 40534), (2236, 38975), (2795, 31180), (3118, 27950), (4300, 20267), (5590, 15590), (6236, 13975), (7795, 11180)]