8139950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1$

素因数の和:1821

約数の個数: 48

約数和(自身を含む): 18644640

約数和(自身を除く): 10504690

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 1789, 2275, 3578, 4550, 8945, 12523, 17890, 23257, 25046, 44725, 46514, 62615, 89450, 116285, 125230, 162799, 232570, 313075, 325598, 581425, 626150, 813995, 1162850, 1627990, 4069975, 8139950]

約数ペア:

[(1, 8139950), (2, 4069975), (5, 1627990), (7, 1162850), (10, 813995), (13, 626150), (14, 581425), (25, 325598), (26, 313075), (35, 232570), (50, 162799), (65, 125230), (70, 116285), (91, 89450), (130, 62615), (175, 46514), (182, 44725), (325, 25046), (350, 23257), (455, 17890), (650, 12523), (910, 8945), (1789, 4550), (2275, 3578)]