9731720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1091}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 22014720

約数和(自身を除く): 12283000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1091, 1115, 1784, 2182, 2230, 4364, 4460, 5455, 8728, 8920, 10910, 21820, 43640, 243293, 486586, 973172, 1216465, 1946344, 2432930, 4865860, 9731720]

約数ペア:

[(1, 9731720), (2, 4865860), (4, 2432930), (5, 1946344), (8, 1216465), (10, 973172), (20, 486586), (40, 243293), (223, 43640), (446, 21820), (892, 10910), (1091, 8920), (1115, 8728), (1784, 5455), (2182, 4460), (2230, 4364)]