4080902440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1672501}}^1$

素因数の和:1672573

約数の個数: 32

約数和(自身を含む): 9332561160

約数和(自身を除く): 5251658720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 1672501, 3345002, 6690004, 8362505, 13380008, 16725010, 33450020, 66900040, 102022561, 204045122, 408090244, 510112805, 816180488, 1020225610, 2040451220, 4080902440]

約数ペア:

[(1, 4080902440), (2, 2040451220), (4, 1020225610), (5, 816180488), (8, 510112805), (10, 408090244), (20, 204045122), (40, 102022561), (61, 66900040), (122, 33450020), (244, 16725010), (305, 13380008), (488, 8362505), (610, 6690004), (1220, 3345002), (2440, 1672501)]