90532720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59561}}^1$

素因数の和:59593

約数の個数: 40

約数和(自身を含む): 221570640

約数和(自身を除く): 131037920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59561, 119122, 238244, 297805, 476488, 595610, 952976, 1131659, 1191220, 2263318, 2382440, 4526636, 4764880, 5658295, 9053272, 11316590, 18106544, 22633180, 45266360, 90532720]

約数ペア:

[(1, 90532720), (2, 45266360), (4, 22633180), (5, 18106544), (8, 11316590), (10, 9053272), (16, 5658295), (19, 4764880), (20, 4526636), (38, 2382440), (40, 2263318), (76, 1191220), (80, 1131659), (95, 952976), (152, 595610), (190, 476488), (304, 297805), (380, 238244), (760, 119122), (1520, 59561)]