31841940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40823}}^1$

素因数の和:40848

約数の個数: 48

約数和(自身を含む): 96018048

約数和(自身を除く): 64176108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40823, 81646, 122469, 163292, 204115, 244938, 408230, 489876, 530699, 612345, 816460, 1061398, 1224690, 1592097, 2122796, 2449380, 2653495, 3184194, 5306990, 6368388, 7960485, 10613980, 15920970, 31841940]

約数ペア:

[(1, 31841940), (2, 15920970), (3, 10613980), (4, 7960485), (5, 6368388), (6, 5306990), (10, 3184194), (12, 2653495), (13, 2449380), (15, 2122796), (20, 1592097), (26, 1224690), (30, 1061398), (39, 816460), (52, 612345), (60, 530699), (65, 489876), (78, 408230), (130, 244938), (156, 204115), (195, 163292), (260, 122469), (390, 81646), (780, 40823)]