91012400

素因数分解:

$2^4\times 5^2\times {\mathrm{227531}}^1$

素因数の和:227549

約数の個数: 30

約数和(自身を含む): 218658252

約数和(自身を除く): 127645852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 227531, 455062, 910124, 1137655, 1820248, 2275310, 3640496, 4550620, 5688275, 9101240, 11376550, 18202480, 22753100, 45506200, 91012400]

約数ペア:

[(1, 91012400), (2, 45506200), (4, 22753100), (5, 18202480), (8, 11376550), (10, 9101240), (16, 5688275), (20, 4550620), (25, 3640496), (40, 2275310), (50, 1820248), (80, 1137655), (100, 910124), (200, 455062), (400, 227531)]