140420080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1466

約数の個数: 80

約数和(自身を含む): 345477888

約数和(自身を除く): 205057808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1381, 1640, 2480, 2542, 2762, 3280, 5084, 5524, 6355, 6905, 10168, 11048, 12710, 13810, 20336, 22096, 25420, 27620, 42811, 50840, 55240, 56621, 85622, 101680, 110480, 113242, 171244, 214055, 226484, 283105, 342488, 428110, 452968, 566210, 684976, 856220, 905936, 1132420, 1712440, 1755251, 2264840, 3424880, 3510502, 4529680, 7021004, 8776255, 14042008, 17552510, 28084016, 35105020, 70210040, 140420080]

約数ペア:

[(1, 140420080), (2, 70210040), (4, 35105020), (5, 28084016), (8, 17552510), (10, 14042008), (16, 8776255), (20, 7021004), (31, 4529680), (40, 3510502), (41, 3424880), (62, 2264840), (80, 1755251), (82, 1712440), (124, 1132420), (155, 905936), (164, 856220), (205, 684976), (248, 566210), (310, 452968), (328, 428110), (410, 342488), (496, 283105), (620, 226484), (656, 214055), (820, 171244), (1240, 113242), (1271, 110480), (1381, 101680), (1640, 85622), (2480, 56621), (2542, 55240), (2762, 50840), (3280, 42811), (5084, 27620), (5524, 25420), (6355, 22096), (6905, 20336), (10168, 13810), (11048, 12710)]