29168327920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1\times {\mathrm{3137}}^1$

素因数の和:4858

約数の個数: 80

約数和(自身を含む): 68835469248

約数和(自身を除く): 39667141328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1637, 2840, 3137, 3274, 5680, 6274, 6548, 8185, 12548, 13096, 15685, 16370, 25096, 26192, 31370, 32740, 50192, 62740, 65480, 116227, 125480, 130960, 222727, 232454, 250960, 445454, 464908, 581135, 890908, 929816, 1113635, 1162270, 1781816, 1859632, 2227270, 2324540, 3563632, 4454540, 4649080, 5135269, 8909080, 9298160, 10270538, 17818160, 20541076, 25676345, 41082152, 51352690, 82164304, 102705380, 205410760, 364604099, 410821520, 729208198, 1458416396, 1823020495, 2916832792, 3646040990, 5833665584, 7292081980, 14584163960, 29168327920]

約数ペア:

[(1, 29168327920), (2, 14584163960), (4, 7292081980), (5, 5833665584), (8, 3646040990), (10, 2916832792), (16, 1823020495), (20, 1458416396), (40, 729208198), (71, 410821520), (80, 364604099), (142, 205410760), (284, 102705380), (355, 82164304), (568, 51352690), (710, 41082152), (1136, 25676345), (1420, 20541076), (1637, 17818160), (2840, 10270538), (3137, 9298160), (3274, 8909080), (5680, 5135269), (6274, 4649080), (6548, 4454540), (8185, 3563632), (12548, 2324540), (13096, 2227270), (15685, 1859632), (16370, 1781816), (25096, 1162270), (26192, 1113635), (31370, 929816), (32740, 890908), (50192, 581135), (62740, 464908), (65480, 445454), (116227, 250960), (125480, 232454), (130960, 222727)]