40439780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 88482240

約数和(自身を除く): 48042460

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 797, 860, 1180, 1594, 2537, 3188, 3985, 5074, 7970, 10148, 12685, 15940, 25370, 34271, 47023, 50740, 68542, 94046, 137084, 171355, 188092, 235115, 342710, 470230, 685420, 940460, 2021989, 4043978, 8087956, 10109945, 20219890, 40439780]

約数ペア:

[(1, 40439780), (2, 20219890), (4, 10109945), (5, 8087956), (10, 4043978), (20, 2021989), (43, 940460), (59, 685420), (86, 470230), (118, 342710), (172, 235115), (215, 188092), (236, 171355), (295, 137084), (430, 94046), (590, 68542), (797, 50740), (860, 47023), (1180, 34271), (1594, 25370), (2537, 15940), (3188, 12685), (3985, 10148), (5074, 7970)]