40284520

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1627}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 90842400

約数和(自身を除く): 50557880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 1627, 2476, 3095, 3254, 4952, 6190, 6508, 8135, 12380, 13016, 16270, 24760, 32540, 65080, 1007113, 2014226, 4028452, 5035565, 8056904, 10071130, 20142260, 40284520]

約数ペア:

[(1, 40284520), (2, 20142260), (4, 10071130), (5, 8056904), (8, 5035565), (10, 4028452), (20, 2014226), (40, 1007113), (619, 65080), (1238, 32540), (1627, 24760), (2476, 16270), (3095, 13016), (3254, 12380), (4952, 8135), (6190, 6508)]