90416240

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2161}}^1$

素因数の和:2697

約数の個数: 40

約数和(自身を含む): 210717168

約数和(自身を除く): 120300928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 2092, 2161, 2615, 4184, 4322, 5230, 8368, 8644, 10460, 10805, 17288, 20920, 21610, 34576, 41840, 43220, 86440, 172880, 1130203, 2260406, 4520812, 5651015, 9041624, 11302030, 18083248, 22604060, 45208120, 90416240]

約数ペア:

[(1, 90416240), (2, 45208120), (4, 22604060), (5, 18083248), (8, 11302030), (10, 9041624), (16, 5651015), (20, 4520812), (40, 2260406), (80, 1130203), (523, 172880), (1046, 86440), (2092, 43220), (2161, 41840), (2615, 34576), (4184, 21610), (4322, 20920), (5230, 17288), (8368, 10805), (8644, 10460)]