12884820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16519}}^1$

素因数の和:16544

約数の個数: 48

約数和(自身を含む): 38855040

約数和(自身を除く): 25970220

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, 16519, 33038, 49557, 66076, 82595, 99114, 165190, 198228, 214747, 247785, 330380, 429494, 495570, 644241, 858988, 991140, 1073735, 1288482, 2147470, 2576964, 3221205, 4294940, 6442410, 12884820]

約数ペア:

[(1, 12884820), (2, 6442410), (3, 4294940), (4, 3221205), (5, 2576964), (6, 2147470), (10, 1288482), (12, 1073735), (13, 991140), (15, 858988), (20, 644241), (26, 495570), (30, 429494), (39, 330380), (52, 247785), (60, 214747), (65, 198228), (78, 165190), (130, 99114), (156, 82595), (195, 66076), (260, 49557), (390, 33038), (780, 16519)]