78423280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75407}}^1$

素因数の和:75433

約数の個数: 40

約数和(自身を含む): 196362432

約数和(自身を除く): 117939152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75407, 150814, 301628, 377035, 603256, 754070, 980291, 1206512, 1508140, 1960582, 3016280, 3921164, 4901455, 6032560, 7842328, 9802910, 15684656, 19605820, 39211640, 78423280]

約数ペア:

[(1, 78423280), (2, 39211640), (4, 19605820), (5, 15684656), (8, 9802910), (10, 7842328), (13, 6032560), (16, 4901455), (20, 3921164), (26, 3016280), (40, 1960582), (52, 1508140), (65, 1206512), (80, 980291), (104, 754070), (130, 603256), (208, 377035), (260, 301628), (520, 150814), (1040, 75407)]