15894160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3257}}^1$

素因数の和:3331

約数の個数: 40

約数和(自身を含む): 37571256

約数和(自身を除く): 21677096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3257, 4880, 6514, 13028, 16285, 26056, 32570, 52112, 65140, 130280, 198677, 260560, 397354, 794708, 993385, 1589416, 1986770, 3178832, 3973540, 7947080, 15894160]

約数ペア:

[(1, 15894160), (2, 7947080), (4, 3973540), (5, 3178832), (8, 1986770), (10, 1589416), (16, 993385), (20, 794708), (40, 397354), (61, 260560), (80, 198677), (122, 130280), (244, 65140), (305, 52112), (488, 32570), (610, 26056), (976, 16285), (1220, 13028), (2440, 6514), (3257, 4880)]