40451420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49331}}^1$

素因数の和:49381

約数の個数: 24

約数和(自身を含む): 87021648

約数和(自身を除く): 46570228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49331, 98662, 197324, 246655, 493310, 986620, 2022571, 4045142, 8090284, 10112855, 20225710, 40451420]

約数ペア:

[(1, 40451420), (2, 20225710), (4, 10112855), (5, 8090284), (10, 4045142), (20, 2022571), (41, 986620), (82, 493310), (164, 246655), (205, 197324), (410, 98662), (820, 49331)]