82401250

素因数分解:

$2^1\times 5^4\times {\mathrm{65921}}^1$

素因数の和:65943

約数の個数: 20

約数和(自身を含む): 154455246

約数和(自身を除く): 72053996

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 65921, 131842, 329605, 659210, 1648025, 3296050, 8240125, 16480250, 41200625, 82401250]

約数ペア:

[(1, 82401250), (2, 41200625), (5, 16480250), (10, 8240125), (25, 3296050), (50, 1648025), (125, 659210), (250, 329605), (625, 131842), (1250, 65921)]