72758320

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2053}}^1$

素因数の和:2509

約数の個数: 40

約数和(自身を含む): 169627536

約数和(自身を除く): 96869216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2053, 2215, 3544, 4106, 4430, 7088, 8212, 8860, 10265, 16424, 17720, 20530, 32848, 35440, 41060, 82120, 164240, 909479, 1818958, 3637916, 4547395, 7275832, 9094790, 14551664, 18189580, 36379160, 72758320]

約数ペア:

[(1, 72758320), (2, 36379160), (4, 18189580), (5, 14551664), (8, 9094790), (10, 7275832), (16, 4547395), (20, 3637916), (40, 1818958), (80, 909479), (443, 164240), (886, 82120), (1772, 41060), (2053, 35440), (2215, 32848), (3544, 20530), (4106, 17720), (4430, 16424), (7088, 10265), (8212, 8860)]