39987780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5011}}^1$

素因数の和:5049

約数の個数: 96

約数和(自身を含む): 134722560

約数和(自身を除く): 94734780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 5011, 7980, 10022, 15033, 20044, 25055, 30066, 35077, 50110, 60132, 70154, 75165, 95209, 100220, 105231, 140308, 150330, 175385, 190418, 210462, 285627, 300660, 350770, 380836, 420924, 476045, 526155, 571254, 666463, 701540, 952090, 1052310, 1142508, 1332926, 1428135, 1904180, 1999389, 2104620, 2665852, 2856270, 3332315, 3998778, 5712540, 6664630, 7997556, 9996945, 13329260, 19993890, 39987780]

約数ペア:

[(1, 39987780), (2, 19993890), (3, 13329260), (4, 9996945), (5, 7997556), (6, 6664630), (7, 5712540), (10, 3998778), (12, 3332315), (14, 2856270), (15, 2665852), (19, 2104620), (20, 1999389), (21, 1904180), (28, 1428135), (30, 1332926), (35, 1142508), (38, 1052310), (42, 952090), (57, 701540), (60, 666463), (70, 571254), (76, 526155), (84, 476045), (95, 420924), (105, 380836), (114, 350770), (133, 300660), (140, 285627), (190, 210462), (210, 190418), (228, 175385), (266, 150330), (285, 140308), (380, 105231), (399, 100220), (420, 95209), (532, 75165), (570, 70154), (665, 60132), (798, 50110), (1140, 35077), (1330, 30066), (1596, 25055), (1995, 20044), (2660, 15033), (3990, 10022), (5011, 7980)]