365320520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{172321}}^1$

素因数の和:172385

約数の個数: 32

約数和(自身を含む): 837484920

約数和(自身を除く): 472164400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 172321, 344642, 689284, 861605, 1378568, 1723210, 3446420, 6892840, 9133013, 18266026, 36532052, 45665065, 73064104, 91330130, 182660260, 365320520]

約数ペア:

[(1, 365320520), (2, 182660260), (4, 91330130), (5, 73064104), (8, 45665065), (10, 36532052), (20, 18266026), (40, 9133013), (53, 6892840), (106, 3446420), (212, 1723210), (265, 1378568), (424, 861605), (530, 689284), (1060, 344642), (2120, 172321)]