38589920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 95800320

約数和(自身を除く): 57210400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 71, 79, 80, 86, 142, 158, 160, 172, 215, 284, 316, 344, 355, 395, 430, 568, 632, 688, 710, 790, 860, 1136, 1264, 1376, 1420, 1580, 1720, 2272, 2528, 2840, 3053, 3160, 3397, 3440, 5609, 5680, 6106, 6320, 6794, 6880, 11218, 11360, 12212, 12640, 13588, 15265, 16985, 22436, 24424, 27176, 28045, 30530, 33970, 44872, 48848, 54352, 56090, 61060, 67940, 89744, 97696, 108704, 112180, 122120, 135880, 179488, 224360, 241187, 244240, 271760, 448720, 482374, 488480, 543520, 897440, 964748, 1205935, 1929496, 2411870, 3858992, 4823740, 7717984, 9647480, 19294960, 38589920]

約数ペア:

[(1, 38589920), (2, 19294960), (4, 9647480), (5, 7717984), (8, 4823740), (10, 3858992), (16, 2411870), (20, 1929496), (32, 1205935), (40, 964748), (43, 897440), (71, 543520), (79, 488480), (80, 482374), (86, 448720), (142, 271760), (158, 244240), (160, 241187), (172, 224360), (215, 179488), (284, 135880), (316, 122120), (344, 112180), (355, 108704), (395, 97696), (430, 89744), (568, 67940), (632, 61060), (688, 56090), (710, 54352), (790, 48848), (860, 44872), (1136, 33970), (1264, 30530), (1376, 28045), (1420, 27176), (1580, 24424), (1720, 22436), (2272, 16985), (2528, 15265), (2840, 13588), (3053, 12640), (3160, 12212), (3397, 11360), (3440, 11218), (5609, 6880), (5680, 6794), (6106, 6320)]