8262463120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{76561}}^1$

素因数の和:76664

約数の個数: 80

約数和(自身を含む): 20506366080

約数和(自身を除く): 12243902960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1349, 1420, 1520, 2698, 2840, 5396, 5680, 6745, 10792, 13490, 21584, 26980, 53960, 76561, 107920, 153122, 306244, 382805, 612488, 765610, 1224976, 1454659, 1531220, 2909318, 3062440, 5435831, 5818636, 6124880, 7273295, 10871662, 11637272, 14546590, 21743324, 23274544, 27179155, 29093180, 43486648, 54358310, 58186360, 86973296, 103280789, 108716620, 116372720, 206561578, 217433240, 413123156, 434866480, 516403945, 826246312, 1032807890, 1652492624, 2065615780, 4131231560, 8262463120]

約数ペア:

[(1, 8262463120), (2, 4131231560), (4, 2065615780), (5, 1652492624), (8, 1032807890), (10, 826246312), (16, 516403945), (19, 434866480), (20, 413123156), (38, 217433240), (40, 206561578), (71, 116372720), (76, 108716620), (80, 103280789), (95, 86973296), (142, 58186360), (152, 54358310), (190, 43486648), (284, 29093180), (304, 27179155), (355, 23274544), (380, 21743324), (568, 14546590), (710, 11637272), (760, 10871662), (1136, 7273295), (1349, 6124880), (1420, 5818636), (1520, 5435831), (2698, 3062440), (2840, 2909318), (5396, 1531220), (5680, 1454659), (6745, 1224976), (10792, 765610), (13490, 612488), (21584, 382805), (26980, 306244), (53960, 153122), (76561, 107920)]