15493840

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 36200808

約数和(自身を除く): 20706968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 661, 1172, 1322, 1465, 2344, 2644, 2930, 3305, 4688, 5288, 5860, 6610, 10576, 11720, 13220, 23440, 26440, 52880, 193673, 387346, 774692, 968365, 1549384, 1936730, 3098768, 3873460, 7746920, 15493840]

約数ペア:

[(1, 15493840), (2, 7746920), (4, 3873460), (5, 3098768), (8, 1936730), (10, 1549384), (16, 968365), (20, 774692), (40, 387346), (80, 193673), (293, 52880), (586, 26440), (661, 23440), (1172, 13220), (1322, 11720), (1465, 10576), (2344, 6610), (2644, 5860), (2930, 5288), (3305, 4688)]