27212120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 67525920

約数和(自身を除く): 40313800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1217, 1720, 2236, 2434, 2795, 4472, 4868, 5590, 6085, 9736, 11180, 12170, 15821, 22360, 24340, 31642, 48680, 52331, 63284, 79105, 104662, 126568, 158210, 209324, 261655, 316420, 418648, 523310, 632840, 680303, 1046620, 1360606, 2093240, 2721212, 3401515, 5442424, 6803030, 13606060, 27212120]

約数ペア:

[(1, 27212120), (2, 13606060), (4, 6803030), (5, 5442424), (8, 3401515), (10, 2721212), (13, 2093240), (20, 1360606), (26, 1046620), (40, 680303), (43, 632840), (52, 523310), (65, 418648), (86, 316420), (104, 261655), (130, 209324), (172, 158210), (215, 126568), (260, 104662), (344, 79105), (430, 63284), (520, 52331), (559, 48680), (860, 31642), (1118, 24340), (1217, 22360), (1720, 15821), (2236, 12170), (2434, 11180), (2795, 9736), (4472, 6085), (4868, 5590)]