89616640

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 218875608

約数和(自身を除く): 129258968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1321, 1696, 2120, 2642, 3392, 4240, 5284, 6605, 6784, 8480, 10568, 13210, 13568, 16960, 21136, 26420, 33920, 42272, 52840, 67840, 70013, 84544, 105680, 140026, 169088, 211360, 280052, 338176, 350065, 422720, 560104, 700130, 845440, 1120208, 1400260, 1690880, 2240416, 2800520, 4480832, 5601040, 8961664, 11202080, 17923328, 22404160, 44808320, 89616640]

約数ペア:

[(1, 89616640), (2, 44808320), (4, 22404160), (5, 17923328), (8, 11202080), (10, 8961664), (16, 5601040), (20, 4480832), (32, 2800520), (40, 2240416), (53, 1690880), (64, 1400260), (80, 1120208), (106, 845440), (128, 700130), (160, 560104), (212, 422720), (256, 350065), (265, 338176), (320, 280052), (424, 211360), (530, 169088), (640, 140026), (848, 105680), (1060, 84544), (1280, 70013), (1321, 67840), (1696, 52840), (2120, 42272), (2642, 33920), (3392, 26420), (4240, 21136), (5284, 16960), (6605, 13568), (6784, 13210), (8480, 10568)]