28642160

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3691}}^1$

素因数の和:3801

約数の個数: 40

約数和(自身を含む): 67297776

約数和(自身を除く): 38655616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3691, 3880, 7382, 7760, 14764, 18455, 29528, 36910, 59056, 73820, 147640, 295280, 358027, 716054, 1432108, 1790135, 2864216, 3580270, 5728432, 7160540, 14321080, 28642160]

約数ペア:

[(1, 28642160), (2, 14321080), (4, 7160540), (5, 5728432), (8, 3580270), (10, 2864216), (16, 1790135), (20, 1432108), (40, 716054), (80, 358027), (97, 295280), (194, 147640), (388, 73820), (485, 59056), (776, 36910), (970, 29528), (1552, 18455), (1940, 14764), (3691, 7760), (3880, 7382)]