27869620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 33416780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 569, 620, 790, 1138, 1580, 2276, 2449, 2845, 4898, 5690, 9796, 11380, 12245, 17639, 24490, 35278, 44951, 48980, 70556, 88195, 89902, 176390, 179804, 224755, 352780, 449510, 899020, 1393481, 2786962, 5573924, 6967405, 13934810, 27869620]

約数ペア:

[(1, 27869620), (2, 13934810), (4, 6967405), (5, 5573924), (10, 2786962), (20, 1393481), (31, 899020), (62, 449510), (79, 352780), (124, 224755), (155, 179804), (158, 176390), (310, 89902), (316, 88195), (395, 70556), (569, 48980), (620, 44951), (790, 35278), (1138, 24490), (1580, 17639), (2276, 12245), (2449, 11380), (2845, 9796), (4898, 5690)]