12922780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 30510144

約数和(自身を除く): 17587364

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2161, 2990, 4322, 5980, 8644, 10805, 21610, 28093, 43220, 49703, 56186, 99406, 112372, 140465, 198812, 248515, 280930, 497030, 561860, 646139, 994060, 1292278, 2584556, 3230695, 6461390, 12922780]

約数ペア:

[(1, 12922780), (2, 6461390), (4, 3230695), (5, 2584556), (10, 1292278), (13, 994060), (20, 646139), (23, 561860), (26, 497030), (46, 280930), (52, 248515), (65, 198812), (92, 140465), (115, 112372), (130, 99406), (230, 56186), (260, 49703), (299, 43220), (460, 28093), (598, 21610), (1196, 10805), (1495, 8644), (2161, 5980), (2990, 4322)]