42016180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 94058496

約数和(自身を除く): 52042316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 647, 764, 955, 1294, 1910, 2588, 3235, 3247, 3820, 6470, 6494, 10999, 12940, 12988, 16235, 21998, 32470, 43996, 54995, 64940, 109990, 123577, 219980, 247154, 494308, 617885, 1235770, 2100809, 2471540, 4201618, 8403236, 10504045, 21008090, 42016180]

約数ペア:

[(1, 42016180), (2, 21008090), (4, 10504045), (5, 8403236), (10, 4201618), (17, 2471540), (20, 2100809), (34, 1235770), (68, 617885), (85, 494308), (170, 247154), (191, 219980), (340, 123577), (382, 109990), (647, 64940), (764, 54995), (955, 43996), (1294, 32470), (1910, 21998), (2588, 16235), (3235, 12988), (3247, 12940), (3820, 10999), (6470, 6494)]