51123760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37591}}^1$

素因数の和:37621

約数の個数: 40

約数和(自身を含む): 125858016

約数和(自身を除く): 74734256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 37591, 75182, 150364, 187955, 300728, 375910, 601456, 639047, 751820, 1278094, 1503640, 2556188, 3007280, 3195235, 5112376, 6390470, 10224752, 12780940, 25561880, 51123760]

約数ペア:

[(1, 51123760), (2, 25561880), (4, 12780940), (5, 10224752), (8, 6390470), (10, 5112376), (16, 3195235), (17, 3007280), (20, 2556188), (34, 1503640), (40, 1278094), (68, 751820), (80, 639047), (85, 601456), (136, 375910), (170, 300728), (272, 187955), (340, 150364), (680, 75182), (1360, 37591)]