12173980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6689}}^1$

素因数の和:6718

約数の個数: 48

約数和(自身を含む): 31469760

約数和(自身を除く): 19295780

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, 6689, 13378, 26756, 33445, 46823, 66890, 86957, 93646, 133780, 173914, 187292, 234115, 347828, 434785, 468230, 608699, 869570, 936460, 1217398, 1739140, 2434796, 3043495, 6086990, 12173980]

約数ペア:

[(1, 12173980), (2, 6086990), (4, 3043495), (5, 2434796), (7, 1739140), (10, 1217398), (13, 936460), (14, 869570), (20, 608699), (26, 468230), (28, 434785), (35, 347828), (52, 234115), (65, 187292), (70, 173914), (91, 133780), (130, 93646), (140, 86957), (182, 66890), (260, 46823), (364, 33445), (455, 26756), (910, 13378), (1820, 6689)]