61913540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4493}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 142693488

約数和(自身を除く): 80779948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 4493, 6890, 8986, 13780, 17972, 22465, 44930, 58409, 89860, 116818, 233636, 238129, 292045, 476258, 584090, 952516, 1168180, 1190645, 2381290, 3095677, 4762580, 6191354, 12382708, 15478385, 30956770, 61913540]

約数ペア:

[(1, 61913540), (2, 30956770), (4, 15478385), (5, 12382708), (10, 6191354), (13, 4762580), (20, 3095677), (26, 2381290), (52, 1190645), (53, 1168180), (65, 952516), (106, 584090), (130, 476258), (212, 292045), (260, 238129), (265, 233636), (530, 116818), (689, 89860), (1060, 58409), (1378, 44930), (2756, 22465), (3445, 17972), (4493, 13780), (6890, 8986)]