20177155120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{80657}}^1$

素因数の和:80782

約数の個数: 80

約数和(自身を含む): 48607737120

約数和(自身を除く): 28430582000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 59, 80, 106, 118, 212, 236, 265, 295, 424, 472, 530, 590, 848, 944, 1060, 1180, 2120, 2360, 3127, 4240, 4720, 6254, 12508, 15635, 25016, 31270, 50032, 62540, 80657, 125080, 161314, 250160, 322628, 403285, 645256, 806570, 1290512, 1613140, 3226280, 4274821, 4758763, 6452560, 8549642, 9517526, 17099284, 19035052, 21374105, 23793815, 34198568, 38070104, 42748210, 47587630, 68397136, 76140208, 85496420, 95175260, 170992840, 190350520, 252214439, 341985680, 380701040, 504428878, 1008857756, 1261072195, 2017715512, 2522144390, 4035431024, 5044288780, 10088577560, 20177155120]

約数ペア:

[(1, 20177155120), (2, 10088577560), (4, 5044288780), (5, 4035431024), (8, 2522144390), (10, 2017715512), (16, 1261072195), (20, 1008857756), (40, 504428878), (53, 380701040), (59, 341985680), (80, 252214439), (106, 190350520), (118, 170992840), (212, 95175260), (236, 85496420), (265, 76140208), (295, 68397136), (424, 47587630), (472, 42748210), (530, 38070104), (590, 34198568), (848, 23793815), (944, 21374105), (1060, 19035052), (1180, 17099284), (2120, 9517526), (2360, 8549642), (3127, 6452560), (4240, 4758763), (4720, 4274821), (6254, 3226280), (12508, 1613140), (15635, 1290512), (25016, 806570), (31270, 645256), (50032, 403285), (62540, 322628), (80657, 250160), (125080, 161314)]