61393880

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4637}}^1$

素因数の和:4979

約数の個数: 32

約数和(自身を含む): 138583440

約数和(自身を除く): 77189560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 4637, 6620, 9274, 13240, 18548, 23185, 37096, 46370, 92740, 185480, 1534847, 3069694, 6139388, 7674235, 12278776, 15348470, 30696940, 61393880]

約数ペア:

[(1, 61393880), (2, 30696940), (4, 15348470), (5, 12278776), (8, 7674235), (10, 6139388), (20, 3069694), (40, 1534847), (331, 185480), (662, 92740), (1324, 46370), (1655, 37096), (2648, 23185), (3310, 18548), (4637, 13240), (6620, 9274)]