42757780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3499}}^1$

素因数の和:3568

約数の個数: 48

約数和(自身を含む): 98784000

約数和(自身を除く): 56026220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 3499, 6110, 6998, 12220, 13996, 17495, 34990, 45487, 69980, 90974, 164453, 181948, 227435, 328906, 454870, 657812, 822265, 909740, 1644530, 2137889, 3289060, 4275778, 8551556, 10689445, 21378890, 42757780]

約数ペア:

[(1, 42757780), (2, 21378890), (4, 10689445), (5, 8551556), (10, 4275778), (13, 3289060), (20, 2137889), (26, 1644530), (47, 909740), (52, 822265), (65, 657812), (94, 454870), (130, 328906), (188, 227435), (235, 181948), (260, 164453), (470, 90974), (611, 69980), (940, 45487), (1222, 34990), (2444, 17495), (3055, 13996), (3499, 12220), (6110, 6998)]