1590492040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{651841}}^1$

素因数の和:651913

約数の個数: 32

約数和(自身を含む): 3637278360

約数和(自身を除く): 2046786320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 651841, 1303682, 2607364, 3259205, 5214728, 6518410, 13036820, 26073640, 39762301, 79524602, 159049204, 198811505, 318098408, 397623010, 795246020, 1590492040]

約数ペア:

[(1, 1590492040), (2, 795246020), (4, 397623010), (5, 318098408), (8, 198811505), (10, 159049204), (20, 79524602), (40, 39762301), (61, 26073640), (122, 13036820), (244, 6518410), (305, 5214728), (488, 3259205), (610, 2607364), (1220, 1303682), (2440, 651841)]