8395660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 22120560

約数和(自身を除く): 13724900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 659, 910, 980, 1274, 1318, 1820, 2548, 2636, 3185, 3295, 4613, 6370, 6590, 8567, 9226, 12740, 13180, 17134, 18452, 23065, 32291, 34268, 42835, 46130, 59969, 64582, 85670, 92260, 119938, 129164, 161455, 171340, 239876, 299845, 322910, 419783, 599690, 645820, 839566, 1199380, 1679132, 2098915, 4197830, 8395660]

約数ペア:

[(1, 8395660), (2, 4197830), (4, 2098915), (5, 1679132), (7, 1199380), (10, 839566), (13, 645820), (14, 599690), (20, 419783), (26, 322910), (28, 299845), (35, 239876), (49, 171340), (52, 161455), (65, 129164), (70, 119938), (91, 92260), (98, 85670), (130, 64582), (140, 59969), (182, 46130), (196, 42835), (245, 34268), (260, 32291), (364, 23065), (455, 18452), (490, 17134), (637, 13180), (659, 12740), (910, 9226), (980, 8567), (1274, 6590), (1318, 6370), (1820, 4613), (2548, 3295), (2636, 3185)]