66195940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 142802352

約数和(自身を除く): 76606412

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 197, 212, 265, 317, 394, 530, 634, 788, 985, 1060, 1268, 1585, 1970, 3170, 3940, 6340, 10441, 16801, 20882, 33602, 41764, 52205, 62449, 67204, 84005, 104410, 124898, 168010, 208820, 249796, 312245, 336020, 624490, 1248980, 3309797, 6619594, 13239188, 16548985, 33097970, 66195940]

約数ペア:

[(1, 66195940), (2, 33097970), (4, 16548985), (5, 13239188), (10, 6619594), (20, 3309797), (53, 1248980), (106, 624490), (197, 336020), (212, 312245), (265, 249796), (317, 208820), (394, 168010), (530, 124898), (634, 104410), (788, 84005), (985, 67204), (1060, 62449), (1268, 52205), (1585, 41764), (1970, 33602), (3170, 20882), (3940, 16801), (6340, 10441)]