38888880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5274

約数の個数: 80

約数和(自身を含む): 124468224

約数和(自身を除く): 85579344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 5227, 7440, 10454, 15681, 20908, 26135, 31362, 41816, 52270, 62724, 78405, 83632, 104540, 125448, 156810, 162037, 209080, 250896, 313620, 324074, 418160, 486111, 627240, 648148, 810185, 972222, 1254480, 1296296, 1620370, 1944444, 2430555, 2592592, 3240740, 3888888, 4861110, 6481480, 7777776, 9722220, 12962960, 19444440, 38888880]

約数ペア:

[(1, 38888880), (2, 19444440), (3, 12962960), (4, 9722220), (5, 7777776), (6, 6481480), (8, 4861110), (10, 3888888), (12, 3240740), (15, 2592592), (16, 2430555), (20, 1944444), (24, 1620370), (30, 1296296), (31, 1254480), (40, 972222), (48, 810185), (60, 648148), (62, 627240), (80, 486111), (93, 418160), (120, 324074), (124, 313620), (155, 250896), (186, 209080), (240, 162037), (248, 156810), (310, 125448), (372, 104540), (465, 83632), (496, 78405), (620, 62724), (744, 52270), (930, 41816), (1240, 31362), (1488, 26135), (1860, 20908), (2480, 15681), (3720, 10454), (5227, 7440)]