12808380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16446

約数の個数: 48

約数和(自身を含む): 38624544

約数和(自身を除く): 25816164

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, 16421, 32842, 49263, 65684, 82105, 98526, 164210, 197052, 213473, 246315, 328420, 426946, 492630, 640419, 853892, 985260, 1067365, 1280838, 2134730, 2561676, 3202095, 4269460, 6404190, 12808380]

約数ペア:

[(1, 12808380), (2, 6404190), (3, 4269460), (4, 3202095), (5, 2561676), (6, 2134730), (10, 1280838), (12, 1067365), (13, 985260), (15, 853892), (20, 640419), (26, 492630), (30, 426946), (39, 328420), (52, 246315), (60, 213473), (65, 197052), (78, 164210), (130, 98526), (156, 82105), (195, 65684), (260, 49263), (390, 32842), (780, 16421)]