52851280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 128706048

約数和(自身を除く): 75854768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 211, 248, 310, 404, 422, 496, 505, 620, 808, 844, 1010, 1055, 1240, 1616, 1688, 2020, 2110, 2480, 3131, 3376, 4040, 4220, 6262, 6541, 8080, 8440, 12524, 13082, 15655, 16880, 21311, 25048, 26164, 31310, 32705, 42622, 50096, 52328, 62620, 65410, 85244, 104656, 106555, 125240, 130820, 170488, 213110, 250480, 261640, 340976, 426220, 523280, 660641, 852440, 1321282, 1704880, 2642564, 3303205, 5285128, 6606410, 10570256, 13212820, 26425640, 52851280]

約数ペア:

[(1, 52851280), (2, 26425640), (4, 13212820), (5, 10570256), (8, 6606410), (10, 5285128), (16, 3303205), (20, 2642564), (31, 1704880), (40, 1321282), (62, 852440), (80, 660641), (101, 523280), (124, 426220), (155, 340976), (202, 261640), (211, 250480), (248, 213110), (310, 170488), (404, 130820), (422, 125240), (496, 106555), (505, 104656), (620, 85244), (808, 65410), (844, 62620), (1010, 52328), (1055, 50096), (1240, 42622), (1616, 32705), (1688, 31310), (2020, 26164), (2110, 25048), (2480, 21311), (3131, 16880), (3376, 15655), (4040, 13082), (4220, 12524), (6262, 8440), (6541, 8080)]