51639880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75941}}^1$

素因数の和:75969

約数の個数: 32

約数和(自身を含む): 123026040

約数和(自身を除く): 71386160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 75941, 151882, 303764, 379705, 607528, 759410, 1290997, 1518820, 2581994, 3037640, 5163988, 6454985, 10327976, 12909970, 25819940, 51639880]

約数ペア:

[(1, 51639880), (2, 25819940), (4, 12909970), (5, 10327976), (8, 6454985), (10, 5163988), (17, 3037640), (20, 2581994), (34, 1518820), (40, 1290997), (68, 759410), (85, 607528), (136, 379705), (170, 303764), (340, 151882), (680, 75941)]