89608880

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1621}}^1$

素因数の和:2325

約数の個数: 40

約数和(自身を含む): 208770864

約数和(自身を除く): 119161984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 1621, 2764, 3242, 3455, 5528, 6484, 6910, 8105, 11056, 12968, 13820, 16210, 25936, 27640, 32420, 55280, 64840, 129680, 1120111, 2240222, 4480444, 5600555, 8960888, 11201110, 17921776, 22402220, 44804440, 89608880]

約数ペア:

[(1, 89608880), (2, 44804440), (4, 22402220), (5, 17921776), (8, 11201110), (10, 8960888), (16, 5600555), (20, 4480444), (40, 2240222), (80, 1120111), (691, 129680), (1382, 64840), (1621, 55280), (2764, 32420), (3242, 27640), (3455, 25936), (5528, 16210), (6484, 13820), (6910, 12968), (8105, 11056)]