71995660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3677}}^1$

素因数の和:3786

約数の個数: 48

約数和(自身を含む): 166834080

約数和(自身を除く): 94838420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3677, 3916, 4895, 7354, 9790, 14708, 18385, 19580, 36770, 40447, 73540, 80894, 161788, 202235, 327253, 404470, 654506, 808940, 1309012, 1636265, 3272530, 3599783, 6545060, 7199566, 14399132, 17998915, 35997830, 71995660]

約数ペア:

[(1, 71995660), (2, 35997830), (4, 17998915), (5, 14399132), (10, 7199566), (11, 6545060), (20, 3599783), (22, 3272530), (44, 1636265), (55, 1309012), (89, 808940), (110, 654506), (178, 404470), (220, 327253), (356, 202235), (445, 161788), (890, 80894), (979, 73540), (1780, 40447), (1958, 36770), (3677, 19580), (3916, 18385), (4895, 14708), (7354, 9790)]