31997240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 79319520

約数和(自身を除く): 47322280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 601, 605, 968, 1202, 1210, 1331, 2404, 2420, 2662, 3005, 4808, 4840, 5324, 6010, 6611, 6655, 10648, 12020, 13222, 13310, 24040, 26444, 26620, 33055, 52888, 53240, 66110, 72721, 132220, 145442, 264440, 290884, 363605, 581768, 727210, 799931, 1454420, 1599862, 2908840, 3199724, 3999655, 6399448, 7999310, 15998620, 31997240]

約数ペア:

[(1, 31997240), (2, 15998620), (4, 7999310), (5, 6399448), (8, 3999655), (10, 3199724), (11, 2908840), (20, 1599862), (22, 1454420), (40, 799931), (44, 727210), (55, 581768), (88, 363605), (110, 290884), (121, 264440), (220, 145442), (242, 132220), (440, 72721), (484, 66110), (601, 53240), (605, 52888), (968, 33055), (1202, 26620), (1210, 26444), (1331, 24040), (2404, 13310), (2420, 13222), (2662, 12020), (3005, 10648), (4808, 6655), (4840, 6611), (5324, 6010)]