85840256560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{145177}}^1$

素因数の和:145598

約数の個数: 80

約数和(自身を含む): 210624242400

約数和(自身を除く): 124783985840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 389, 760, 778, 1520, 1556, 1945, 3112, 3890, 6224, 7391, 7780, 14782, 15560, 29564, 31120, 36955, 59128, 73910, 118256, 145177, 147820, 290354, 295640, 580708, 591280, 725885, 1161416, 1451770, 2322832, 2758363, 2903540, 5516726, 5807080, 11033452, 11614160, 13791815, 22066904, 27583630, 44133808, 55167260, 56473853, 110334520, 112947706, 220669040, 225895412, 282369265, 451790824, 564738530, 903581648, 1073003207, 1129477060, 2146006414, 2258954120, 4292012828, 4517908240, 5365016035, 8584025656, 10730032070, 17168051312, 21460064140, 42920128280, 85840256560]

約数ペア:

[(1, 85840256560), (2, 42920128280), (4, 21460064140), (5, 17168051312), (8, 10730032070), (10, 8584025656), (16, 5365016035), (19, 4517908240), (20, 4292012828), (38, 2258954120), (40, 2146006414), (76, 1129477060), (80, 1073003207), (95, 903581648), (152, 564738530), (190, 451790824), (304, 282369265), (380, 225895412), (389, 220669040), (760, 112947706), (778, 110334520), (1520, 56473853), (1556, 55167260), (1945, 44133808), (3112, 27583630), (3890, 22066904), (6224, 13791815), (7391, 11614160), (7780, 11033452), (14782, 5807080), (15560, 5516726), (29564, 2903540), (31120, 2758363), (36955, 2322832), (59128, 1451770), (73910, 1161416), (118256, 725885), (145177, 591280), (147820, 580708), (290354, 295640)]