68683880

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{4783}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 155001600

約数和(自身を除く): 86317720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 4783, 7180, 9566, 14360, 19132, 23915, 38264, 47830, 95660, 191320, 1717097, 3434194, 6868388, 8585485, 13736776, 17170970, 34341940, 68683880]

約数ペア:

[(1, 68683880), (2, 34341940), (4, 17170970), (5, 13736776), (8, 8585485), (10, 6868388), (20, 3434194), (40, 1717097), (359, 191320), (718, 95660), (1436, 47830), (1795, 38264), (2872, 23915), (3590, 19132), (4783, 14360), (7180, 9566)]