12971120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5591}}^1$

素因数の和:5633

約数の個数: 40

約数和(自身を含む): 31203360

約数和(自身を除く): 18232240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 5591, 11182, 22364, 27955, 44728, 55910, 89456, 111820, 162139, 223640, 324278, 447280, 648556, 810695, 1297112, 1621390, 2594224, 3242780, 6485560, 12971120]

約数ペア:

[(1, 12971120), (2, 6485560), (4, 3242780), (5, 2594224), (8, 1621390), (10, 1297112), (16, 810695), (20, 648556), (29, 447280), (40, 324278), (58, 223640), (80, 162139), (116, 111820), (145, 89456), (232, 55910), (290, 44728), (464, 27955), (580, 22364), (1160, 11182), (2320, 5591)]