89664160

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 212399712

約数和(自身を除く): 122735552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 811, 1382, 1622, 2764, 3244, 3455, 4055, 5528, 6488, 6910, 8110, 11056, 12976, 13820, 16220, 22112, 25952, 27640, 32440, 55280, 64880, 110560, 129760, 560401, 1120802, 2241604, 2802005, 4483208, 5604010, 8966416, 11208020, 17932832, 22416040, 44832080, 89664160]

約数ペア:

[(1, 89664160), (2, 44832080), (4, 22416040), (5, 17932832), (8, 11208020), (10, 8966416), (16, 5604010), (20, 4483208), (32, 2802005), (40, 2241604), (80, 1120802), (160, 560401), (691, 129760), (811, 110560), (1382, 64880), (1622, 55280), (2764, 32440), (3244, 27640), (3455, 25952), (4055, 22112), (5528, 16220), (6488, 13820), (6910, 12976), (8110, 11056)]