67987400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 172905600

約数和(自身を除く): 104918200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 79, 100, 104, 130, 158, 200, 260, 316, 325, 331, 395, 520, 632, 650, 662, 790, 1027, 1300, 1324, 1580, 1655, 1975, 2054, 2600, 2648, 3160, 3310, 3950, 4108, 4303, 5135, 6620, 7900, 8216, 8275, 8606, 10270, 13240, 15800, 16550, 17212, 20540, 21515, 25675, 26149, 33100, 34424, 41080, 43030, 51350, 52298, 66200, 86060, 102700, 104596, 107575, 130745, 172120, 205400, 209192, 215150, 261490, 339937, 430300, 522980, 653725, 679874, 860600, 1045960, 1307450, 1359748, 1699685, 2614900, 2719496, 3399370, 5229800, 6798740, 8498425, 13597480, 16996850, 33993700, 67987400]

約数ペア:

[(1, 67987400), (2, 33993700), (4, 16996850), (5, 13597480), (8, 8498425), (10, 6798740), (13, 5229800), (20, 3399370), (25, 2719496), (26, 2614900), (40, 1699685), (50, 1359748), (52, 1307450), (65, 1045960), (79, 860600), (100, 679874), (104, 653725), (130, 522980), (158, 430300), (200, 339937), (260, 261490), (316, 215150), (325, 209192), (331, 205400), (395, 172120), (520, 130745), (632, 107575), (650, 104596), (662, 102700), (790, 86060), (1027, 66200), (1300, 52298), (1324, 51350), (1580, 43030), (1655, 41080), (1975, 34424), (2054, 33100), (2600, 26149), (2648, 25675), (3160, 21515), (3310, 20540), (3950, 17212), (4108, 16550), (4303, 15800), (5135, 13240), (6620, 10270), (7900, 8606), (8216, 8275)]