80399020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10663}}^1$

素因数の和:10714

約数の個数: 48

約数和(自身を含む): 188112960

約数和(自身を除く): 107713940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 10663, 21326, 42652, 53315, 106630, 138619, 213260, 277238, 309227, 554476, 618454, 693095, 1236908, 1386190, 1546135, 2772380, 3092270, 4019951, 6184540, 8039902, 16079804, 20099755, 40199510, 80399020]

約数ペア:

[(1, 80399020), (2, 40199510), (4, 20099755), (5, 16079804), (10, 8039902), (13, 6184540), (20, 4019951), (26, 3092270), (29, 2772380), (52, 1546135), (58, 1386190), (65, 1236908), (116, 693095), (130, 618454), (145, 554476), (260, 309227), (290, 277238), (377, 213260), (580, 138619), (754, 106630), (1508, 53315), (1885, 42652), (3770, 21326), (7540, 10663)]