42687640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28843}}^1$

素因数の和:28891

約数の個数: 32

約数和(自身を含む): 98646480

約数和(自身を除く): 55958840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 28843, 57686, 115372, 144215, 230744, 288430, 576860, 1067191, 1153720, 2134382, 4268764, 5335955, 8537528, 10671910, 21343820, 42687640]

約数ペア:

[(1, 42687640), (2, 21343820), (4, 10671910), (5, 8537528), (8, 5335955), (10, 4268764), (20, 2134382), (37, 1153720), (40, 1067191), (74, 576860), (148, 288430), (185, 230744), (296, 144215), (370, 115372), (740, 57686), (1480, 28843)]