146319640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51521}}^1$

素因数の和:51603

約数の個数: 32

約数和(自身を含む): 333862560

約数和(自身を除く): 187542920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 51521, 103042, 206084, 257605, 412168, 515210, 1030420, 2060840, 3657991, 7315982, 14631964, 18289955, 29263928, 36579910, 73159820, 146319640]

約数ペア:

[(1, 146319640), (2, 73159820), (4, 36579910), (5, 29263928), (8, 18289955), (10, 14631964), (20, 7315982), (40, 3657991), (71, 2060840), (142, 1030420), (284, 515210), (355, 412168), (568, 257605), (710, 206084), (1420, 103042), (2840, 51521)]