66928810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 137803680

約数和(自身を除く): 70874870

約数列:

[1, 2, 5, 10, 13, 26, 29, 41, 58, 65, 82, 130, 145, 205, 290, 377, 410, 433, 533, 754, 866, 1066, 1189, 1885, 2165, 2378, 2665, 3770, 4330, 5330, 5629, 5945, 11258, 11890, 12557, 15457, 17753, 25114, 28145, 30914, 35506, 56290, 62785, 77285, 88765, 125570, 154570, 163241, 177530, 230789, 326482, 461578, 514837, 816205, 1029674, 1153945, 1632410, 2307890, 2574185, 5148370, 6692881, 13385762, 33464405, 66928810]

約数ペア:

[(1, 66928810), (2, 33464405), (5, 13385762), (10, 6692881), (13, 5148370), (26, 2574185), (29, 2307890), (41, 1632410), (58, 1153945), (65, 1029674), (82, 816205), (130, 514837), (145, 461578), (205, 326482), (290, 230789), (377, 177530), (410, 163241), (433, 154570), (533, 125570), (754, 88765), (866, 77285), (1066, 62785), (1189, 56290), (1885, 35506), (2165, 30914), (2378, 28145), (2665, 25114), (3770, 17753), (4330, 15457), (5330, 12557), (5629, 11890), (5945, 11258)]