40202440

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4507}}^1$

素因数の和:4741

約数の個数: 32

約数和(自身を含む): 90881280

約数和(自身を除く): 50678840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 4507, 8920, 9014, 18028, 22535, 36056, 45070, 90140, 180280, 1005061, 2010122, 4020244, 5025305, 8040488, 10050610, 20101220, 40202440]

約数ペア:

[(1, 40202440), (2, 20101220), (4, 10050610), (5, 8040488), (8, 5025305), (10, 4020244), (20, 2010122), (40, 1005061), (223, 180280), (446, 90140), (892, 45070), (1115, 36056), (1784, 22535), (2230, 18028), (4460, 9014), (4507, 8920)]