2912228120

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{66733}}^1$

素因数の和:67835

約数の個数: 32

約数和(自身を含む): 6558617520

約数和(自身を除く): 3646389400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 5455, 8728, 10910, 21820, 43640, 66733, 133466, 266932, 333665, 533864, 667330, 1334660, 2669320, 72805703, 145611406, 291222812, 364028515, 582445624, 728057030, 1456114060, 2912228120]

約数ペア:

[(1, 2912228120), (2, 1456114060), (4, 728057030), (5, 582445624), (8, 364028515), (10, 291222812), (20, 145611406), (40, 72805703), (1091, 2669320), (2182, 1334660), (4364, 667330), (5455, 533864), (8728, 333665), (10910, 266932), (21820, 133466), (43640, 66733)]