64413200

素因数分解:

$2^4\times 5^2\times {\mathrm{161033}}^1$

素因数の和:161051

約数の個数: 30

約数和(自身を含む): 154753674

約数和(自身を除く): 90340474

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 161033, 322066, 644132, 805165, 1288264, 1610330, 2576528, 3220660, 4025825, 6441320, 8051650, 12882640, 16103300, 32206600, 64413200]

約数ペア:

[(1, 64413200), (2, 32206600), (4, 16103300), (5, 12882640), (8, 8051650), (10, 6441320), (16, 4025825), (20, 3220660), (25, 2576528), (40, 1610330), (50, 1288264), (80, 805165), (100, 644132), (200, 322066), (400, 161033)]