28874480

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1303}}^1$

素因数の和:1593

約数の個数: 40

約数和(自身を含む): 67427232

約数和(自身を除く): 38552752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1303, 1385, 2216, 2606, 2770, 4432, 5212, 5540, 6515, 10424, 11080, 13030, 20848, 22160, 26060, 52120, 104240, 360931, 721862, 1443724, 1804655, 2887448, 3609310, 5774896, 7218620, 14437240, 28874480]

約数ペア:

[(1, 28874480), (2, 14437240), (4, 7218620), (5, 5774896), (8, 3609310), (10, 2887448), (16, 1804655), (20, 1443724), (40, 721862), (80, 360931), (277, 104240), (554, 52120), (1108, 26060), (1303, 22160), (1385, 20848), (2216, 13030), (2606, 11080), (2770, 10424), (4432, 6515), (5212, 5540)]