51605580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66161}}^1$

素因数の和:66186

約数の個数: 48

約数和(自身を含む): 155613024

約数和(自身を除く): 104007444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66161, 132322, 198483, 264644, 330805, 396966, 661610, 793932, 860093, 992415, 1323220, 1720186, 1984830, 2580279, 3440372, 3969660, 4300465, 5160558, 8600930, 10321116, 12901395, 17201860, 25802790, 51605580]

約数ペア:

[(1, 51605580), (2, 25802790), (3, 17201860), (4, 12901395), (5, 10321116), (6, 8600930), (10, 5160558), (12, 4300465), (13, 3969660), (15, 3440372), (20, 2580279), (26, 1984830), (30, 1720186), (39, 1323220), (52, 992415), (60, 860093), (65, 793932), (78, 661610), (130, 396966), (156, 330805), (195, 264644), (260, 198483), (390, 132322), (780, 66161)]