31203920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 80619840

約数和(自身を除く): 49415920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 601, 649, 880, 944, 1180, 1202, 1298, 2360, 2404, 2596, 3005, 3245, 4720, 4808, 5192, 6010, 6490, 6611, 9616, 10384, 12020, 12980, 13222, 24040, 25960, 26444, 33055, 35459, 48080, 51920, 52888, 66110, 70918, 105776, 132220, 141836, 177295, 264440, 283672, 354590, 390049, 528880, 567344, 709180, 780098, 1418360, 1560196, 1950245, 2836720, 3120392, 3900490, 6240784, 7800980, 15601960, 31203920]

約数ペア:

[(1, 31203920), (2, 15601960), (4, 7800980), (5, 6240784), (8, 3900490), (10, 3120392), (11, 2836720), (16, 1950245), (20, 1560196), (22, 1418360), (40, 780098), (44, 709180), (55, 567344), (59, 528880), (80, 390049), (88, 354590), (110, 283672), (118, 264440), (176, 177295), (220, 141836), (236, 132220), (295, 105776), (440, 70918), (472, 66110), (590, 52888), (601, 51920), (649, 48080), (880, 35459), (944, 33055), (1180, 26444), (1202, 25960), (1298, 24040), (2360, 13222), (2404, 12980), (2596, 12020), (3005, 10384), (3245, 9616), (4720, 6611), (4808, 6490), (5192, 6010)]