51107780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{787}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 114379776

約数和(自身を除く): 63271996

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 787, 955, 1574, 1910, 3148, 3247, 3820, 3935, 6494, 7870, 12988, 13379, 15740, 16235, 26758, 32470, 53516, 64940, 66895, 133790, 150317, 267580, 300634, 601268, 751585, 1503170, 2555389, 3006340, 5110778, 10221556, 12776945, 25553890, 51107780]

約数ペア:

[(1, 51107780), (2, 25553890), (4, 12776945), (5, 10221556), (10, 5110778), (17, 3006340), (20, 2555389), (34, 1503170), (68, 751585), (85, 601268), (170, 300634), (191, 267580), (340, 150317), (382, 133790), (764, 66895), (787, 64940), (955, 53516), (1574, 32470), (1910, 26758), (3148, 16235), (3247, 15740), (3820, 13379), (3935, 12988), (6494, 7870)]