118331440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 283481856

約数和(自身を除く): 165150416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 142, 166, 251, 284, 332, 355, 415, 502, 568, 664, 710, 830, 1004, 1136, 1255, 1328, 1420, 1660, 2008, 2510, 2840, 3320, 4016, 5020, 5680, 5893, 6640, 10040, 11786, 17821, 20080, 20833, 23572, 29465, 35642, 41666, 47144, 58930, 71284, 83332, 89105, 94288, 104165, 117860, 142568, 166664, 178210, 208330, 235720, 285136, 333328, 356420, 416660, 471440, 712840, 833320, 1425680, 1479143, 1666640, 2958286, 5916572, 7395715, 11833144, 14791430, 23666288, 29582860, 59165720, 118331440]

約数ペア:

[(1, 118331440), (2, 59165720), (4, 29582860), (5, 23666288), (8, 14791430), (10, 11833144), (16, 7395715), (20, 5916572), (40, 2958286), (71, 1666640), (80, 1479143), (83, 1425680), (142, 833320), (166, 712840), (251, 471440), (284, 416660), (332, 356420), (355, 333328), (415, 285136), (502, 235720), (568, 208330), (664, 178210), (710, 166664), (830, 142568), (1004, 117860), (1136, 104165), (1255, 94288), (1328, 89105), (1420, 83332), (1660, 71284), (2008, 58930), (2510, 47144), (2840, 41666), (3320, 35642), (4016, 29465), (5020, 23572), (5680, 20833), (5893, 20080), (6640, 17821), (10040, 11786)]