71813750

素因数分解:

$2^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:882

約数の個数: 40

約数和(自身を含む): 136625016

約数和(自身を除く): 64811266

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 250, 365, 625, 730, 787, 1250, 1574, 1825, 3650, 3935, 7870, 9125, 18250, 19675, 39350, 45625, 57451, 91250, 98375, 114902, 196750, 287255, 491875, 574510, 983750, 1436275, 2872550, 7181375, 14362750, 35906875, 71813750]

約数ペア:

[(1, 71813750), (2, 35906875), (5, 14362750), (10, 7181375), (25, 2872550), (50, 1436275), (73, 983750), (125, 574510), (146, 491875), (250, 287255), (365, 196750), (625, 114902), (730, 98375), (787, 91250), (1250, 57451), (1574, 45625), (1825, 39350), (3650, 19675), (3935, 18250), (7870, 9125)]