78139660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{383}}^1$

素因数の和:594

約数の個数: 36

約数和(自身を含む): 166166784

約数和(自身を除く): 88027124

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 383, 404, 505, 766, 1010, 1532, 1915, 2020, 3830, 7660, 10201, 20402, 38683, 40804, 51005, 77366, 102010, 154732, 193415, 204020, 386830, 773660, 3906983, 7813966, 15627932, 19534915, 39069830, 78139660]

約数ペア:

[(1, 78139660), (2, 39069830), (4, 19534915), (5, 15627932), (10, 7813966), (20, 3906983), (101, 773660), (202, 386830), (383, 204020), (404, 193415), (505, 154732), (766, 102010), (1010, 77366), (1532, 51005), (1915, 40804), (2020, 38683), (3830, 20402), (7660, 10201)]