40418905

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 49885200

約数和(自身を除く): 9466295

約数列:

[1, 5, 61, 89, 305, 445, 1489, 5429, 7445, 27145, 90829, 132521, 454145, 662605, 8083781, 40418905]

約数ペア:

[(1, 40418905), (5, 8083781), (61, 662605), (89, 454145), (305, 132521), (445, 90829), (1489, 27145), (5429, 7445)]