13405020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7207}}^1$

素因数の和:7250

約数の個数: 48

約数和(自身を含む): 38750208

約数和(自身を除く): 25345188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 7207, 14414, 21621, 28828, 36035, 43242, 72070, 86484, 108105, 144140, 216210, 223417, 432420, 446834, 670251, 893668, 1117085, 1340502, 2234170, 2681004, 3351255, 4468340, 6702510, 13405020]

約数ペア:

[(1, 13405020), (2, 6702510), (3, 4468340), (4, 3351255), (5, 2681004), (6, 2234170), (10, 1340502), (12, 1117085), (15, 893668), (20, 670251), (30, 446834), (31, 432420), (60, 223417), (62, 216210), (93, 144140), (124, 108105), (155, 86484), (186, 72070), (310, 43242), (372, 36035), (465, 28828), (620, 21621), (930, 14414), (1860, 7207)]