25845560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 65378880

約数和(自身を除く): 39533320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2161, 2392, 2990, 4322, 5980, 8644, 10805, 11960, 17288, 21610, 28093, 43220, 49703, 56186, 86440, 99406, 112372, 140465, 198812, 224744, 248515, 280930, 397624, 497030, 561860, 646139, 994060, 1123720, 1292278, 1988120, 2584556, 3230695, 5169112, 6461390, 12922780, 25845560]

約数ペア:

[(1, 25845560), (2, 12922780), (4, 6461390), (5, 5169112), (8, 3230695), (10, 2584556), (13, 1988120), (20, 1292278), (23, 1123720), (26, 994060), (40, 646139), (46, 561860), (52, 497030), (65, 397624), (92, 280930), (104, 248515), (115, 224744), (130, 198812), (184, 140465), (230, 112372), (260, 99406), (299, 86440), (460, 56186), (520, 49703), (598, 43220), (920, 28093), (1196, 21610), (1495, 17288), (2161, 11960), (2392, 10805), (2990, 8644), (4322, 5980)]