90839920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36629}}^1$

素因数の和:36673

約数の個数: 40

約数和(自身を含む): 218021760

約数和(自身を除く): 127181840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36629, 73258, 146516, 183145, 293032, 366290, 586064, 732580, 1135499, 1465160, 2270998, 2930320, 4541996, 5677495, 9083992, 11354990, 18167984, 22709980, 45419960, 90839920]

約数ペア:

[(1, 90839920), (2, 45419960), (4, 22709980), (5, 18167984), (8, 11354990), (10, 9083992), (16, 5677495), (20, 4541996), (31, 2930320), (40, 2270998), (62, 1465160), (80, 1135499), (124, 732580), (155, 586064), (248, 366290), (310, 293032), (496, 183145), (620, 146516), (1240, 73258), (2480, 36629)]