90807880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133541}}^1$

素因数の和:133569

約数の個数: 32

約数和(自身を含む): 216338040

約数和(自身を除く): 125530160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133541, 267082, 534164, 667705, 1068328, 1335410, 2270197, 2670820, 4540394, 5341640, 9080788, 11350985, 18161576, 22701970, 45403940, 90807880]

約数ペア:

[(1, 90807880), (2, 45403940), (4, 22701970), (5, 18161576), (8, 11350985), (10, 9080788), (17, 5341640), (20, 4540394), (34, 2670820), (40, 2270197), (68, 1335410), (85, 1068328), (136, 667705), (170, 534164), (340, 267082), (680, 133541)]