28343240

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4243}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 64169280

約数和(自身を除く): 35826040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 4243, 6680, 8486, 16972, 21215, 33944, 42430, 84860, 169720, 708581, 1417162, 2834324, 3542905, 5668648, 7085810, 14171620, 28343240]

約数ペア:

[(1, 28343240), (2, 14171620), (4, 7085810), (5, 5668648), (8, 3542905), (10, 2834324), (20, 1417162), (40, 708581), (167, 169720), (334, 84860), (668, 42430), (835, 33944), (1336, 21215), (1670, 16972), (3340, 8486), (4243, 6680)]