42154120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14843}}^1$

素因数の和:14925

約数の個数: 32

約数和(自身を含む): 96189120

約数和(自身を除く): 54035000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 14843, 29686, 59372, 74215, 118744, 148430, 296860, 593720, 1053853, 2107706, 4215412, 5269265, 8430824, 10538530, 21077060, 42154120]

約数ペア:

[(1, 42154120), (2, 21077060), (4, 10538530), (5, 8430824), (8, 5269265), (10, 4215412), (20, 2107706), (40, 1053853), (71, 593720), (142, 296860), (284, 148430), (355, 118744), (568, 74215), (710, 59372), (1420, 29686), (2840, 14843)]