15874640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3327

約数の個数: 40

約数和(自身を含む): 37525128

約数和(自身を除く): 21650488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3253, 4880, 6506, 13012, 16265, 26024, 32530, 52048, 65060, 130120, 198433, 260240, 396866, 793732, 992165, 1587464, 1984330, 3174928, 3968660, 7937320, 15874640]

約数ペア:

[(1, 15874640), (2, 7937320), (4, 3968660), (5, 3174928), (8, 1984330), (10, 1587464), (16, 992165), (20, 793732), (40, 396866), (61, 260240), (80, 198433), (122, 130120), (244, 65060), (305, 52048), (488, 32530), (610, 26024), (976, 16265), (1220, 13012), (2440, 6506), (3253, 4880)]