15310000

素因数分解:

$2^4\times 5^4\times {\mathrm{1531}}^1$

素因数の和:1559

約数の個数: 50

約数和(自身を含む): 37091252

約数和(自身を除く): 21781252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1531, 2000, 2500, 3062, 5000, 6124, 7655, 10000, 12248, 15310, 24496, 30620, 38275, 61240, 76550, 122480, 153100, 191375, 306200, 382750, 612400, 765500, 956875, 1531000, 1913750, 3062000, 3827500, 7655000, 15310000]

約数ペア:

[(1, 15310000), (2, 7655000), (4, 3827500), (5, 3062000), (8, 1913750), (10, 1531000), (16, 956875), (20, 765500), (25, 612400), (40, 382750), (50, 306200), (80, 191375), (100, 153100), (125, 122480), (200, 76550), (250, 61240), (400, 38275), (500, 30620), (625, 24496), (1000, 15310), (1250, 12248), (1531, 10000), (2000, 7655), (2500, 6124), (3062, 5000)]