3642920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 8336520

約数和(自身を除く): 4693600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1493, 2440, 2986, 5972, 7465, 11944, 14930, 29860, 59720, 91073, 182146, 364292, 455365, 728584, 910730, 1821460, 3642920]

約数ペア:

[(1, 3642920), (2, 1821460), (4, 910730), (5, 728584), (8, 455365), (10, 364292), (20, 182146), (40, 91073), (61, 59720), (122, 29860), (244, 14930), (305, 11944), (488, 7465), (610, 5972), (1220, 2986), (1493, 2440)]