65008690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 128937600

約数和(自身を除く): 63928910

約数列:

[1, 2, 5, 10, 19, 38, 43, 73, 86, 95, 109, 146, 190, 215, 218, 365, 430, 545, 730, 817, 1090, 1387, 1634, 2071, 2774, 3139, 4085, 4142, 4687, 6278, 6935, 7957, 8170, 9374, 10355, 13870, 15695, 15914, 20710, 23435, 31390, 39785, 46870, 59641, 79570, 89053, 119282, 151183, 178106, 298205, 302366, 342151, 445265, 596410, 684302, 755915, 890530, 1511830, 1710755, 3421510, 6500869, 13001738, 32504345, 65008690]

約数ペア:

[(1, 65008690), (2, 32504345), (5, 13001738), (10, 6500869), (19, 3421510), (38, 1710755), (43, 1511830), (73, 890530), (86, 755915), (95, 684302), (109, 596410), (146, 445265), (190, 342151), (215, 302366), (218, 298205), (365, 178106), (430, 151183), (545, 119282), (730, 89053), (817, 79570), (1090, 59641), (1387, 46870), (1634, 39785), (2071, 31390), (2774, 23435), (3139, 20710), (4085, 15914), (4142, 15695), (4687, 13870), (6278, 10355), (6935, 9374), (7957, 8170)]