12911340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16553}}^1$

素因数の和:16578

約数の個数: 48

約数和(自身を含む): 38935008

約数和(自身を除く): 26023668

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, 16553, 33106, 49659, 66212, 82765, 99318, 165530, 198636, 215189, 248295, 331060, 430378, 496590, 645567, 860756, 993180, 1075945, 1291134, 2151890, 2582268, 3227835, 4303780, 6455670, 12911340]

約数ペア:

[(1, 12911340), (2, 6455670), (3, 4303780), (4, 3227835), (5, 2582268), (6, 2151890), (10, 1291134), (12, 1075945), (13, 993180), (15, 860756), (20, 645567), (26, 496590), (30, 430378), (39, 331060), (52, 248295), (60, 215189), (65, 198636), (78, 165530), (130, 99318), (156, 82765), (195, 66212), (260, 49659), (390, 33106), (780, 16553)]