2015921720

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{144407}}^1$

素因数の和:144767

約数の個数: 32

約数和(自身を含む): 4548852000

約数和(自身を除く): 2532930280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 144407, 288814, 577628, 722035, 1155256, 1444070, 2888140, 5776280, 50398043, 100796086, 201592172, 251990215, 403184344, 503980430, 1007960860, 2015921720]

約数ペア:

[(1, 2015921720), (2, 1007960860), (4, 503980430), (5, 403184344), (8, 251990215), (10, 201592172), (20, 100796086), (40, 50398043), (349, 5776280), (698, 2888140), (1396, 1444070), (1745, 1155256), (2792, 722035), (3490, 577628), (6980, 288814), (13960, 144407)]