31940500

素因数分解:

$2^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 70447104

約数和(自身を除く): 38506604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 127, 250, 254, 500, 503, 508, 635, 1006, 1270, 2012, 2515, 2540, 3175, 5030, 6350, 10060, 12575, 12700, 15875, 25150, 31750, 50300, 62875, 63500, 63881, 125750, 127762, 251500, 255524, 319405, 638810, 1277620, 1597025, 3194050, 6388100, 7985125, 15970250, 31940500]

約数ペア:

[(1, 31940500), (2, 15970250), (4, 7985125), (5, 6388100), (10, 3194050), (20, 1597025), (25, 1277620), (50, 638810), (100, 319405), (125, 255524), (127, 251500), (250, 127762), (254, 125750), (500, 63881), (503, 63500), (508, 62875), (635, 50300), (1006, 31750), (1270, 25150), (2012, 15875), (2515, 12700), (2540, 12575), (3175, 10060), (5030, 6350)]