90208880

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3673}}^1$

素因数の和:3993

約数の個数: 40

約数和(自身を含む): 210476112

約数和(自身を除く): 120267232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 3673, 4912, 6140, 7346, 12280, 14692, 18365, 24560, 29384, 36730, 58768, 73460, 146920, 293840, 1127611, 2255222, 4510444, 5638055, 9020888, 11276110, 18041776, 22552220, 45104440, 90208880]

約数ペア:

[(1, 90208880), (2, 45104440), (4, 22552220), (5, 18041776), (8, 11276110), (10, 9020888), (16, 5638055), (20, 4510444), (40, 2255222), (80, 1127611), (307, 293840), (614, 146920), (1228, 73460), (1535, 58768), (2456, 36730), (3070, 29384), (3673, 24560), (4912, 18365), (6140, 14692), (7346, 12280)]