9797960

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{617}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 22136760

約数和(自身を除く): 12338800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 617, 794, 1234, 1588, 1985, 2468, 3085, 3176, 3970, 4936, 6170, 7940, 12340, 15880, 24680, 244949, 489898, 979796, 1224745, 1959592, 2449490, 4898980, 9797960]

約数ペア:

[(1, 9797960), (2, 4898980), (4, 2449490), (5, 1959592), (8, 1224745), (10, 979796), (20, 489898), (40, 244949), (397, 24680), (617, 15880), (794, 12340), (1234, 7940), (1588, 6170), (1985, 4936), (2468, 3970), (3085, 3176)]