12810980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7039}}^1$

素因数の和:7068

約数の個数: 48

約数和(自身を含む): 33116160

約数和(自身を除く): 20305180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 7039, 14078, 28156, 35195, 49273, 70390, 91507, 98546, 140780, 183014, 197092, 246365, 366028, 457535, 492730, 640549, 915070, 985460, 1281098, 1830140, 2562196, 3202745, 6405490, 12810980]

約数ペア:

[(1, 12810980), (2, 6405490), (4, 3202745), (5, 2562196), (7, 1830140), (10, 1281098), (13, 985460), (14, 915070), (20, 640549), (26, 492730), (28, 457535), (35, 366028), (52, 246365), (65, 197092), (70, 183014), (91, 140780), (130, 98546), (140, 91507), (182, 70390), (260, 49273), (364, 35195), (455, 28156), (910, 14078), (1820, 7039)]