9920360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 23950080

約数和(自身を除く): 14029720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 263, 328, 410, 460, 526, 820, 920, 943, 1052, 1315, 1640, 1886, 2104, 2630, 3772, 4715, 5260, 6049, 7544, 9430, 10520, 10783, 12098, 18860, 21566, 24196, 30245, 37720, 43132, 48392, 53915, 60490, 86264, 107830, 120980, 215660, 241960, 248009, 431320, 496018, 992036, 1240045, 1984072, 2480090, 4960180, 9920360]

約数ペア:

[(1, 9920360), (2, 4960180), (4, 2480090), (5, 1984072), (8, 1240045), (10, 992036), (20, 496018), (23, 431320), (40, 248009), (41, 241960), (46, 215660), (82, 120980), (92, 107830), (115, 86264), (164, 60490), (184, 53915), (205, 48392), (230, 43132), (263, 37720), (328, 30245), (410, 24196), (460, 21566), (526, 18860), (820, 12098), (920, 10783), (943, 10520), (1052, 9430), (1315, 7544), (1640, 6049), (1886, 5260), (2104, 4715), (2630, 3772)]