78451880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{150869}}^1$

素因数の和:150893

約数の個数: 32

約数和(自身を含む): 190096200

約数和(自身を除く): 111644320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 150869, 301738, 603476, 754345, 1206952, 1508690, 1961297, 3017380, 3922594, 6034760, 7845188, 9806485, 15690376, 19612970, 39225940, 78451880]

約数ペア:

[(1, 78451880), (2, 39225940), (4, 19612970), (5, 15690376), (8, 9806485), (10, 7845188), (13, 6034760), (20, 3922594), (26, 3017380), (40, 1961297), (52, 1508690), (65, 1206952), (104, 754345), (130, 603476), (260, 301738), (520, 150869)]