31506320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17123}}^1$

素因数の和:17159

約数の個数: 40

約数和(自身を含む): 76441536

約数和(自身を除く): 44935216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 17123, 34246, 68492, 85615, 136984, 171230, 273968, 342460, 393829, 684920, 787658, 1369840, 1575316, 1969145, 3150632, 3938290, 6301264, 7876580, 15753160, 31506320]

約数ペア:

[(1, 31506320), (2, 15753160), (4, 7876580), (5, 6301264), (8, 3938290), (10, 3150632), (16, 1969145), (20, 1575316), (23, 1369840), (40, 787658), (46, 684920), (80, 393829), (92, 342460), (115, 273968), (184, 171230), (230, 136984), (368, 85615), (460, 68492), (920, 34246), (1840, 17123)]