1540360

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 3510360

約数和(自身を除く): 1970000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 397, 485, 776, 794, 970, 1588, 1940, 1985, 3176, 3880, 3970, 7940, 15880, 38509, 77018, 154036, 192545, 308072, 385090, 770180, 1540360]

約数ペア:

[(1, 1540360), (2, 770180), (4, 385090), (5, 308072), (8, 192545), (10, 154036), (20, 77018), (40, 38509), (97, 15880), (194, 7940), (388, 3970), (397, 3880), (485, 3176), (776, 1985), (794, 1940), (970, 1588)]