360520420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1386617}}^1$

素因数の和:1386639

約数の個数: 24

約数和(自身を含む): 815331384

約数和(自身を除く): 454810964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1386617, 2773234, 5546468, 6933085, 13866170, 18026021, 27732340, 36052042, 72104084, 90130105, 180260210, 360520420]

約数ペア:

[(1, 360520420), (2, 180260210), (4, 90130105), (5, 72104084), (10, 36052042), (13, 27732340), (20, 18026021), (26, 13866170), (52, 6933085), (65, 5546468), (130, 2773234), (260, 1386617)]