90988280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 210651840

約数和(自身を除く): 119663560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 167, 212, 257, 265, 334, 424, 514, 530, 668, 835, 1028, 1060, 1285, 1336, 1670, 2056, 2120, 2570, 3340, 5140, 6680, 8851, 10280, 13621, 17702, 27242, 35404, 42919, 44255, 54484, 68105, 70808, 85838, 88510, 108968, 136210, 171676, 177020, 214595, 272420, 343352, 354040, 429190, 544840, 858380, 1716760, 2274707, 4549414, 9098828, 11373535, 18197656, 22747070, 45494140, 90988280]

約数ペア:

[(1, 90988280), (2, 45494140), (4, 22747070), (5, 18197656), (8, 11373535), (10, 9098828), (20, 4549414), (40, 2274707), (53, 1716760), (106, 858380), (167, 544840), (212, 429190), (257, 354040), (265, 343352), (334, 272420), (424, 214595), (514, 177020), (530, 171676), (668, 136210), (835, 108968), (1028, 88510), (1060, 85838), (1285, 70808), (1336, 68105), (1670, 54484), (2056, 44255), (2120, 42919), (2570, 35404), (3340, 27242), (5140, 17702), (6680, 13621), (8851, 10280)]