4913920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 12877200

約数和(自身を除く): 7963280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 349, 352, 440, 640, 698, 704, 880, 1280, 1396, 1408, 1745, 1760, 2792, 2816, 3490, 3520, 3839, 5584, 6980, 7040, 7678, 11168, 13960, 14080, 15356, 19195, 22336, 27920, 30712, 38390, 44672, 55840, 61424, 76780, 89344, 111680, 122848, 153560, 223360, 245696, 307120, 446720, 491392, 614240, 982784, 1228480, 2456960, 4913920]

約数ペア:

[(1, 4913920), (2, 2456960), (4, 1228480), (5, 982784), (8, 614240), (10, 491392), (11, 446720), (16, 307120), (20, 245696), (22, 223360), (32, 153560), (40, 122848), (44, 111680), (55, 89344), (64, 76780), (80, 61424), (88, 55840), (110, 44672), (128, 38390), (160, 30712), (176, 27920), (220, 22336), (256, 19195), (320, 15356), (349, 14080), (352, 13960), (440, 11168), (640, 7678), (698, 7040), (704, 6980), (880, 5584), (1280, 3839), (1396, 3520), (1408, 3490), (1745, 2816), (1760, 2792)]