162500

素因数分解:

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

素因数の和:42

約数の個数: 36

約数和(自身を含む): 382788

約数和(自身を除く): 220288

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3125, 3250, 6250, 6500, 8125, 12500, 16250, 32500, 40625, 81250, 162500]

約数ペア:

[(1, 162500), (2, 81250), (4, 40625), (5, 32500), (10, 16250), (13, 12500), (20, 8125), (25, 6500), (26, 6250), (50, 3250), (52, 3125), (65, 2500), (100, 1625), (125, 1300), (130, 1250), (250, 650), (260, 625), (325, 500)]