16681250

素因数分解:

$2^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 33325992

約数和(自身を除く): 16644742

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 157, 170, 250, 314, 425, 625, 785, 850, 1250, 1570, 2125, 2669, 3125, 3925, 4250, 5338, 6250, 7850, 10625, 13345, 19625, 21250, 26690, 39250, 53125, 66725, 98125, 106250, 133450, 196250, 333625, 490625, 667250, 981250, 1668125, 3336250, 8340625, 16681250]

約数ペア:

[(1, 16681250), (2, 8340625), (5, 3336250), (10, 1668125), (17, 981250), (25, 667250), (34, 490625), (50, 333625), (85, 196250), (125, 133450), (157, 106250), (170, 98125), (250, 66725), (314, 53125), (425, 39250), (625, 26690), (785, 21250), (850, 19625), (1250, 13345), (1570, 10625), (2125, 7850), (2669, 6250), (3125, 5338), (3925, 4250)]