39681440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 60908896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 80, 82, 92, 115, 160, 164, 184, 205, 230, 263, 328, 368, 410, 460, 526, 656, 736, 820, 920, 943, 1052, 1312, 1315, 1640, 1840, 1886, 2104, 2630, 3280, 3680, 3772, 4208, 4715, 5260, 6049, 6560, 7544, 8416, 9430, 10520, 10783, 12098, 15088, 18860, 21040, 21566, 24196, 30176, 30245, 37720, 42080, 43132, 48392, 53915, 60490, 75440, 86264, 96784, 107830, 120980, 150880, 172528, 193568, 215660, 241960, 248009, 345056, 431320, 483920, 496018, 862640, 967840, 992036, 1240045, 1725280, 1984072, 2480090, 3968144, 4960180, 7936288, 9920360, 19840720, 39681440]

約数ペア:

[(1, 39681440), (2, 19840720), (4, 9920360), (5, 7936288), (8, 4960180), (10, 3968144), (16, 2480090), (20, 1984072), (23, 1725280), (32, 1240045), (40, 992036), (41, 967840), (46, 862640), (80, 496018), (82, 483920), (92, 431320), (115, 345056), (160, 248009), (164, 241960), (184, 215660), (205, 193568), (230, 172528), (263, 150880), (328, 120980), (368, 107830), (410, 96784), (460, 86264), (526, 75440), (656, 60490), (736, 53915), (820, 48392), (920, 43132), (943, 42080), (1052, 37720), (1312, 30245), (1315, 30176), (1640, 24196), (1840, 21566), (1886, 21040), (2104, 18860), (2630, 15088), (3280, 12098), (3680, 10783), (3772, 10520), (4208, 9430), (4715, 8416), (5260, 7544), (6049, 6560)]