87665620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32957}}^1$

素因数の和:32992

約数の個数: 48

約数和(自身を含む): 221477760

約数和(自身を除く): 133812140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 32957, 65914, 131828, 164785, 230699, 329570, 461398, 626183, 659140, 922796, 1153495, 1252366, 2306990, 2504732, 3130915, 4383281, 4613980, 6261830, 8766562, 12523660, 17533124, 21916405, 43832810, 87665620]

約数ペア:

[(1, 87665620), (2, 43832810), (4, 21916405), (5, 17533124), (7, 12523660), (10, 8766562), (14, 6261830), (19, 4613980), (20, 4383281), (28, 3130915), (35, 2504732), (38, 2306990), (70, 1252366), (76, 1153495), (95, 922796), (133, 659140), (140, 626183), (190, 461398), (266, 329570), (380, 230699), (532, 164785), (665, 131828), (1330, 65914), (2660, 32957)]