64065200

素因数分解:

$2^4\times 5^2\times {\mathrm{160163}}^1$

素因数の和:160181

約数の個数: 30

約数和(自身を含む): 153917604

約数和(自身を除く): 89852404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 160163, 320326, 640652, 800815, 1281304, 1601630, 2562608, 3203260, 4004075, 6406520, 8008150, 12813040, 16016300, 32032600, 64065200]

約数ペア:

[(1, 64065200), (2, 32032600), (4, 16016300), (5, 12813040), (8, 8008150), (10, 6406520), (16, 4004075), (20, 3203260), (25, 2562608), (40, 1601630), (50, 1281304), (80, 800815), (100, 640652), (200, 320326), (400, 160163)]