42143440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12251}}^1$

素因数の和:12307

約数の個数: 40

約数和(自身を含む): 100270368

約数和(自身を除く): 58126928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 12251, 24502, 49004, 61255, 98008, 122510, 196016, 245020, 490040, 526793, 980080, 1053586, 2107172, 2633965, 4214344, 5267930, 8428688, 10535860, 21071720, 42143440]

約数ペア:

[(1, 42143440), (2, 21071720), (4, 10535860), (5, 8428688), (8, 5267930), (10, 4214344), (16, 2633965), (20, 2107172), (40, 1053586), (43, 980080), (80, 526793), (86, 490040), (172, 245020), (215, 196016), (344, 122510), (430, 98008), (688, 61255), (860, 49004), (1720, 24502), (3440, 12251)]