8266940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 19323360

約数和(自身を除く): 11056420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 709, 1060, 1166, 1418, 2332, 2836, 2915, 3545, 5830, 7090, 7799, 11660, 14180, 15598, 31196, 37577, 38995, 75154, 77990, 150308, 155980, 187885, 375770, 413347, 751540, 826694, 1653388, 2066735, 4133470, 8266940]

約数ペア:

[(1, 8266940), (2, 4133470), (4, 2066735), (5, 1653388), (10, 826694), (11, 751540), (20, 413347), (22, 375770), (44, 187885), (53, 155980), (55, 150308), (106, 77990), (110, 75154), (212, 38995), (220, 37577), (265, 31196), (530, 15598), (583, 14180), (709, 11660), (1060, 7799), (1166, 7090), (1418, 5830), (2332, 3545), (2836, 2915)]