77260820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42451}}^1$

素因数の和:42480

約数の個数: 48

約数和(自身を含む): 199694208

約数和(自身を除く): 122433388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42451, 84902, 169804, 212255, 297157, 424510, 551863, 594314, 849020, 1103726, 1188628, 1485785, 2207452, 2759315, 2971570, 3863041, 5518630, 5943140, 7726082, 11037260, 15452164, 19315205, 38630410, 77260820]

約数ペア:

[(1, 77260820), (2, 38630410), (4, 19315205), (5, 15452164), (7, 11037260), (10, 7726082), (13, 5943140), (14, 5518630), (20, 3863041), (26, 2971570), (28, 2759315), (35, 2207452), (52, 1485785), (65, 1188628), (70, 1103726), (91, 849020), (130, 594314), (140, 551863), (182, 424510), (260, 297157), (364, 212255), (455, 169804), (910, 84902), (1820, 42451)]