72182500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2258

約数の個数: 60

約数和(自身を含む): 170067436

約数和(自身を除く): 97884936

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, 2221, 2500, 3250, 4442, 6500, 8125, 8884, 11105, 16250, 22210, 28873, 32500, 44420, 55525, 57746, 111050, 115492, 144365, 222100, 277625, 288730, 555250, 577460, 721825, 1110500, 1388125, 1443650, 2776250, 2887300, 3609125, 5552500, 7218250, 14436500, 18045625, 36091250, 72182500]

約数ペア:

[(1, 72182500), (2, 36091250), (4, 18045625), (5, 14436500), (10, 7218250), (13, 5552500), (20, 3609125), (25, 2887300), (26, 2776250), (50, 1443650), (52, 1388125), (65, 1110500), (100, 721825), (125, 577460), (130, 555250), (250, 288730), (260, 277625), (325, 222100), (500, 144365), (625, 115492), (650, 111050), (1250, 57746), (1300, 55525), (1625, 44420), (2221, 32500), (2500, 28873), (3250, 22210), (4442, 16250), (6500, 11105), (8125, 8884)]