40293520

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2531}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 94190400

約数和(自身を除く): 53896880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 2531, 3184, 3980, 5062, 7960, 10124, 12655, 15920, 20248, 25310, 40496, 50620, 101240, 202480, 503669, 1007338, 2014676, 2518345, 4029352, 5036690, 8058704, 10073380, 20146760, 40293520]

約数ペア:

[(1, 40293520), (2, 20146760), (4, 10073380), (5, 8058704), (8, 5036690), (10, 4029352), (16, 2518345), (20, 2014676), (40, 1007338), (80, 503669), (199, 202480), (398, 101240), (796, 50620), (995, 40496), (1592, 25310), (1990, 20248), (2531, 15920), (3184, 12655), (3980, 10124), (5062, 7960)]