77025890

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{19801}}^1$

素因数の和:20197

約数の個数: 16

約数和(自身を含む): 139010040

約数和(自身を除く): 61984150

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 19801, 39602, 99005, 198010, 7702589, 15405178, 38512945, 77025890]

約数ペア:

[(1, 77025890), (2, 38512945), (5, 15405178), (10, 7702589), (389, 198010), (778, 99005), (1945, 39602), (3890, 19801)]