61867760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45491}}^1$

素因数の和:45521

約数の個数: 40

約数和(自身を含む): 152307216

約数和(自身を除く): 90439456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 45491, 90982, 181964, 227455, 363928, 454910, 727856, 773347, 909820, 1546694, 1819640, 3093388, 3639280, 3866735, 6186776, 7733470, 12373552, 15466940, 30933880, 61867760]

約数ペア:

[(1, 61867760), (2, 30933880), (4, 15466940), (5, 12373552), (8, 7733470), (10, 6186776), (16, 3866735), (17, 3639280), (20, 3093388), (34, 1819640), (40, 1546694), (68, 909820), (80, 773347), (85, 727856), (136, 454910), (170, 363928), (272, 227455), (340, 181964), (680, 90982), (1360, 45491)]