65087480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 151632000

約数和(自身を除く): 86544520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 356, 376, 389, 445, 470, 712, 778, 890, 940, 1556, 1780, 1880, 1945, 3112, 3560, 3890, 4183, 7780, 8366, 15560, 16732, 18283, 20915, 33464, 34621, 36566, 41830, 69242, 73132, 83660, 91415, 138484, 146264, 167320, 173105, 182830, 276968, 346210, 365660, 692420, 731320, 1384840, 1627187, 3254374, 6508748, 8135935, 13017496, 16271870, 32543740, 65087480]

約数ペア:

[(1, 65087480), (2, 32543740), (4, 16271870), (5, 13017496), (8, 8135935), (10, 6508748), (20, 3254374), (40, 1627187), (47, 1384840), (89, 731320), (94, 692420), (178, 365660), (188, 346210), (235, 276968), (356, 182830), (376, 173105), (389, 167320), (445, 146264), (470, 138484), (712, 91415), (778, 83660), (890, 73132), (940, 69242), (1556, 41830), (1780, 36566), (1880, 34621), (1945, 33464), (3112, 20915), (3560, 18283), (3890, 16732), (4183, 15560), (7780, 8366)]