12805260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16417}}^1$

素因数の和:16442

約数の個数: 48

約数和(自身を含む): 38615136

約数和(自身を除く): 25809876

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, 16417, 32834, 49251, 65668, 82085, 98502, 164170, 197004, 213421, 246255, 328340, 426842, 492510, 640263, 853684, 985020, 1067105, 1280526, 2134210, 2561052, 3201315, 4268420, 6402630, 12805260]

約数ペア:

[(1, 12805260), (2, 6402630), (3, 4268420), (4, 3201315), (5, 2561052), (6, 2134210), (10, 1280526), (12, 1067105), (13, 985020), (15, 853684), (20, 640263), (26, 492510), (30, 426842), (39, 328340), (52, 246255), (60, 213421), (65, 197004), (78, 164170), (130, 98502), (156, 82085), (195, 65668), (260, 49251), (390, 32834), (780, 16417)]