42246640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12281}}^1$

素因数の和:12337

約数の個数: 40

約数和(自身を含む): 100515888

約数和(自身を除く): 58269248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 12281, 24562, 49124, 61405, 98248, 122810, 196496, 245620, 491240, 528083, 982480, 1056166, 2112332, 2640415, 4224664, 5280830, 8449328, 10561660, 21123320, 42246640]

約数ペア:

[(1, 42246640), (2, 21123320), (4, 10561660), (5, 8449328), (8, 5280830), (10, 4224664), (16, 2640415), (20, 2112332), (40, 1056166), (43, 982480), (80, 528083), (86, 491240), (172, 245620), (215, 196496), (344, 122810), (430, 98248), (688, 61405), (860, 49124), (1720, 24562), (3440, 12281)]