25689020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{653}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 61967808

約数和(自身を除く): 36278788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 653, 1124, 1306, 1405, 1967, 2612, 2810, 3265, 3934, 4571, 5620, 6530, 7868, 9142, 9835, 13060, 18284, 19670, 22855, 39340, 45710, 91420, 183493, 366986, 733972, 917465, 1284451, 1834930, 2568902, 3669860, 5137804, 6422255, 12844510, 25689020]

約数ペア:

[(1, 25689020), (2, 12844510), (4, 6422255), (5, 5137804), (7, 3669860), (10, 2568902), (14, 1834930), (20, 1284451), (28, 917465), (35, 733972), (70, 366986), (140, 183493), (281, 91420), (562, 45710), (653, 39340), (1124, 22855), (1306, 19670), (1405, 18284), (1967, 13060), (2612, 9835), (2810, 9142), (3265, 7868), (3934, 6530), (4571, 5620)]