90159760

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3671}}^1$

素因数の和:3991

約数の個数: 40

約数和(自身を含む): 210361536

約数和(自身を除く): 120201776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 3671, 4912, 6140, 7342, 12280, 14684, 18355, 24560, 29368, 36710, 58736, 73420, 146840, 293680, 1126997, 2253994, 4507988, 5634985, 9015976, 11269970, 18031952, 22539940, 45079880, 90159760]

約数ペア:

[(1, 90159760), (2, 45079880), (4, 22539940), (5, 18031952), (8, 11269970), (10, 9015976), (16, 5634985), (20, 4507988), (40, 2253994), (80, 1126997), (307, 293680), (614, 146840), (1228, 73420), (1535, 58736), (2456, 36710), (3070, 29368), (3671, 24560), (4912, 18355), (6140, 14684), (7342, 12280)]