31939640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 75816000

約数和(自身を除く): 43876360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 149, 184, 230, 233, 298, 460, 466, 596, 745, 920, 932, 1165, 1192, 1490, 1864, 2330, 2980, 3427, 4660, 5359, 5960, 6854, 9320, 10718, 13708, 17135, 21436, 26795, 27416, 34270, 34717, 42872, 53590, 68540, 69434, 107180, 137080, 138868, 173585, 214360, 277736, 347170, 694340, 798491, 1388680, 1596982, 3193964, 3992455, 6387928, 7984910, 15969820, 31939640]

約数ペア:

[(1, 31939640), (2, 15969820), (4, 7984910), (5, 6387928), (8, 3992455), (10, 3193964), (20, 1596982), (23, 1388680), (40, 798491), (46, 694340), (92, 347170), (115, 277736), (149, 214360), (184, 173585), (230, 138868), (233, 137080), (298, 107180), (460, 69434), (466, 68540), (596, 53590), (745, 42872), (920, 34717), (932, 34270), (1165, 27416), (1192, 26795), (1490, 21436), (1864, 17135), (2330, 13708), (2980, 10718), (3427, 9320), (4660, 6854), (5359, 5960)]