90493520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87013}}^1$

素因数の和:87039

約数の個数: 40

約数和(自身を含む): 226584456

約数和(自身を除く): 136090936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87013, 174026, 348052, 435065, 696104, 870130, 1131169, 1392208, 1740260, 2262338, 3480520, 4524676, 5655845, 6961040, 9049352, 11311690, 18098704, 22623380, 45246760, 90493520]

約数ペア:

[(1, 90493520), (2, 45246760), (4, 22623380), (5, 18098704), (8, 11311690), (10, 9049352), (13, 6961040), (16, 5655845), (20, 4524676), (26, 3480520), (40, 2262338), (52, 1740260), (65, 1392208), (80, 1131169), (104, 870130), (130, 696104), (208, 435065), (260, 348052), (520, 174026), (1040, 87013)]