71605820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25037}}^1$

素因数の和:25070

約数の個数: 48

約数和(自身を含む): 176668128

約数和(自身を除く): 105062308

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 25037, 50074, 100148, 125185, 250370, 275407, 325481, 500740, 550814, 650962, 1101628, 1301924, 1377035, 1627405, 2754070, 3254810, 3580291, 5508140, 6509620, 7160582, 14321164, 17901455, 35802910, 71605820]

約数ペア:

[(1, 71605820), (2, 35802910), (4, 17901455), (5, 14321164), (10, 7160582), (11, 6509620), (13, 5508140), (20, 3580291), (22, 3254810), (26, 2754070), (44, 1627405), (52, 1377035), (55, 1301924), (65, 1101628), (110, 650962), (130, 550814), (143, 500740), (220, 325481), (260, 275407), (286, 250370), (572, 125185), (715, 100148), (1430, 50074), (2860, 25037)]