71380640

素因数分解:

$2^5\times 5^1\times {\mathrm{446129}}^1$

素因数の和:446144

約数の個数: 24

約数和(自身を含む): 168637140

約数和(自身を除く): 97256500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 446129, 892258, 1784516, 2230645, 3569032, 4461290, 7138064, 8922580, 14276128, 17845160, 35690320, 71380640]

約数ペア:

[(1, 71380640), (2, 35690320), (4, 17845160), (5, 14276128), (8, 8922580), (10, 7138064), (16, 4461290), (20, 3569032), (32, 2230645), (40, 1784516), (80, 892258), (160, 446129)]