25377280

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 63638784

約数和(自身を除く): 38261504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 431, 460, 512, 640, 736, 862, 920, 1280, 1472, 1724, 1840, 2155, 2560, 2944, 3448, 3680, 4310, 5888, 6896, 7360, 8620, 9913, 11776, 13792, 14720, 17240, 19826, 27584, 29440, 34480, 39652, 49565, 55168, 58880, 68960, 79304, 99130, 110336, 137920, 158608, 198260, 220672, 275840, 317216, 396520, 551680, 634432, 793040, 1103360, 1268864, 1586080, 2537728, 3172160, 5075456, 6344320, 12688640, 25377280]

約数ペア:

[(1, 25377280), (2, 12688640), (4, 6344320), (5, 5075456), (8, 3172160), (10, 2537728), (16, 1586080), (20, 1268864), (23, 1103360), (32, 793040), (40, 634432), (46, 551680), (64, 396520), (80, 317216), (92, 275840), (115, 220672), (128, 198260), (160, 158608), (184, 137920), (230, 110336), (256, 99130), (320, 79304), (368, 68960), (431, 58880), (460, 55168), (512, 49565), (640, 39652), (736, 34480), (862, 29440), (920, 27584), (1280, 19826), (1472, 17240), (1724, 14720), (1840, 13792), (2155, 11776), (2560, 9913), (2944, 8620), (3448, 7360), (3680, 6896), (4310, 5888)]