90217790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{3877}}^1$

素因数の和:4076

約数の個数: 32

約数和(自身を含む): 175906080

約数和(自身を除く): 85688290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 358, 895, 1790, 2327, 3877, 4654, 7754, 11635, 19385, 23270, 38770, 50401, 100802, 252005, 504010, 693983, 1387966, 3469915, 6939830, 9021779, 18043558, 45108895, 90217790]

約数ペア:

[(1, 90217790), (2, 45108895), (5, 18043558), (10, 9021779), (13, 6939830), (26, 3469915), (65, 1387966), (130, 693983), (179, 504010), (358, 252005), (895, 100802), (1790, 50401), (2327, 38770), (3877, 23270), (4654, 19385), (7754, 11635)]