158860

素因数分解:

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

素因数の和:82

約数の個数: 36

約数和(自身を含む): 368928

約数和(自身を除く): 210068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 470, 611, 676, 845, 940, 1222, 1690, 2444, 3055, 3380, 6110, 7943, 12220, 15886, 31772, 39715, 79430, 158860]

約数ペア:

[(1, 158860), (2, 79430), (4, 39715), (5, 31772), (10, 15886), (13, 12220), (20, 7943), (26, 6110), (47, 3380), (52, 3055), (65, 2444), (94, 1690), (130, 1222), (169, 940), (188, 845), (235, 676), (260, 611), (338, 470)]