64179820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 138475008

約数和(自身を除く): 74295188

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 191, 212, 265, 317, 382, 530, 634, 764, 955, 1060, 1268, 1585, 1910, 3170, 3820, 6340, 10123, 16801, 20246, 33602, 40492, 50615, 60547, 67204, 84005, 101230, 121094, 168010, 202460, 242188, 302735, 336020, 605470, 1210940, 3208991, 6417982, 12835964, 16044955, 32089910, 64179820]

約数ペア:

[(1, 64179820), (2, 32089910), (4, 16044955), (5, 12835964), (10, 6417982), (20, 3208991), (53, 1210940), (106, 605470), (191, 336020), (212, 302735), (265, 242188), (317, 202460), (382, 168010), (530, 121094), (634, 101230), (764, 84005), (955, 67204), (1060, 60547), (1268, 50615), (1585, 40492), (1910, 33602), (3170, 20246), (3820, 16801), (6340, 10123)]