2679920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 6301680

約数和(自身を除く): 3621760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 241, 278, 482, 556, 695, 964, 1112, 1205, 1390, 1928, 2224, 2410, 2780, 3856, 4820, 5560, 9640, 11120, 19280, 33499, 66998, 133996, 167495, 267992, 334990, 535984, 669980, 1339960, 2679920]

約数ペア:

[(1, 2679920), (2, 1339960), (4, 669980), (5, 535984), (8, 334990), (10, 267992), (16, 167495), (20, 133996), (40, 66998), (80, 33499), (139, 19280), (241, 11120), (278, 9640), (482, 5560), (556, 4820), (695, 3856), (964, 2780), (1112, 2410), (1205, 2224), (1390, 1928)]