2003240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 4586760

約数和(自身を除く): 2583520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 821, 1220, 1642, 2440, 3284, 4105, 6568, 8210, 16420, 32840, 50081, 100162, 200324, 250405, 400648, 500810, 1001620, 2003240]

約数ペア:

[(1, 2003240), (2, 1001620), (4, 500810), (5, 400648), (8, 250405), (10, 200324), (20, 100162), (40, 50081), (61, 32840), (122, 16420), (244, 8210), (305, 6568), (488, 4105), (610, 3284), (821, 2440), (1220, 1642)]