89193520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 225298080

約数和(自身を除く): 136104560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 617, 695, 1040, 1112, 1234, 1390, 1807, 2224, 2468, 2780, 3085, 3614, 4936, 5560, 6170, 7228, 8021, 9035, 9872, 11120, 12340, 14456, 16042, 18070, 24680, 28912, 32084, 36140, 40105, 49360, 64168, 72280, 80210, 85763, 128336, 144560, 160420, 171526, 320840, 343052, 428815, 641680, 686104, 857630, 1114919, 1372208, 1715260, 2229838, 3430520, 4459676, 5574595, 6861040, 8919352, 11149190, 17838704, 22298380, 44596760, 89193520]

約数ペア:

[(1, 89193520), (2, 44596760), (4, 22298380), (5, 17838704), (8, 11149190), (10, 8919352), (13, 6861040), (16, 5574595), (20, 4459676), (26, 3430520), (40, 2229838), (52, 1715260), (65, 1372208), (80, 1114919), (104, 857630), (130, 686104), (139, 641680), (208, 428815), (260, 343052), (278, 320840), (520, 171526), (556, 160420), (617, 144560), (695, 128336), (1040, 85763), (1112, 80210), (1234, 72280), (1390, 64168), (1807, 49360), (2224, 40105), (2468, 36140), (2780, 32084), (3085, 28912), (3614, 24680), (4936, 18070), (5560, 16042), (6170, 14456), (7228, 12340), (8021, 11120), (9035, 9872)]