85648720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 214057728

約数和(自身を除く): 128409008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 710, 887, 1136, 1207, 1360, 1420, 1774, 2414, 2840, 3548, 4435, 4828, 5680, 6035, 7096, 8870, 9656, 12070, 14192, 15079, 17740, 19312, 24140, 30158, 35480, 48280, 60316, 62977, 70960, 75395, 96560, 120632, 125954, 150790, 241264, 251908, 301580, 314885, 503816, 603160, 629770, 1007632, 1070609, 1206320, 1259540, 2141218, 2519080, 4282436, 5038160, 5353045, 8564872, 10706090, 17129744, 21412180, 42824360, 85648720]

約数ペア:

[(1, 85648720), (2, 42824360), (4, 21412180), (5, 17129744), (8, 10706090), (10, 8564872), (16, 5353045), (17, 5038160), (20, 4282436), (34, 2519080), (40, 2141218), (68, 1259540), (71, 1206320), (80, 1070609), (85, 1007632), (136, 629770), (142, 603160), (170, 503816), (272, 314885), (284, 301580), (340, 251908), (355, 241264), (568, 150790), (680, 125954), (710, 120632), (887, 96560), (1136, 75395), (1207, 70960), (1360, 62977), (1420, 60316), (1774, 48280), (2414, 35480), (2840, 30158), (3548, 24140), (4435, 19312), (4828, 17740), (5680, 15079), (6035, 14192), (7096, 12070), (8870, 9656)]