4872680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 11148840

約数和(自身を除く): 6276160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1997, 2440, 3994, 7988, 9985, 15976, 19970, 39940, 79880, 121817, 243634, 487268, 609085, 974536, 1218170, 2436340, 4872680]

約数ペア:

[(1, 4872680), (2, 2436340), (4, 1218170), (5, 974536), (8, 609085), (10, 487268), (20, 243634), (40, 121817), (61, 79880), (122, 39940), (244, 19970), (305, 15976), (488, 9985), (610, 7988), (1220, 3994), (1997, 2440)]