29288720

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1361}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 68399640

約数和(自身を除く): 39110920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 1361, 2152, 2690, 2722, 4304, 5380, 5444, 6805, 10760, 10888, 13610, 21520, 21776, 27220, 54440, 108880, 366109, 732218, 1464436, 1830545, 2928872, 3661090, 5857744, 7322180, 14644360, 29288720]

約数ペア:

[(1, 29288720), (2, 14644360), (4, 7322180), (5, 5857744), (8, 3661090), (10, 2928872), (16, 1830545), (20, 1464436), (40, 732218), (80, 366109), (269, 108880), (538, 54440), (1076, 27220), (1345, 21776), (1361, 21520), (2152, 13610), (2690, 10888), (2722, 10760), (4304, 6805), (5380, 5444)]