9829720

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{619}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 22208400

約数和(自身を除く): 12378680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 619, 794, 1238, 1588, 1985, 2476, 3095, 3176, 3970, 4952, 6190, 7940, 12380, 15880, 24760, 245743, 491486, 982972, 1228715, 1965944, 2457430, 4914860, 9829720]

約数ペア:

[(1, 9829720), (2, 4914860), (4, 2457430), (5, 1965944), (8, 1228715), (10, 982972), (20, 491486), (40, 245743), (397, 24760), (619, 15880), (794, 12380), (1238, 7940), (1588, 6190), (1985, 4952), (2476, 3970), (3095, 3176)]