55487440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23917}}^1$

素因数の和:23959

約数の個数: 40

約数和(自身を含む): 133462440

約数和(自身を除く): 77975000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 23917, 47834, 95668, 119585, 191336, 239170, 382672, 478340, 693593, 956680, 1387186, 1913360, 2774372, 3467965, 5548744, 6935930, 11097488, 13871860, 27743720, 55487440]

約数ペア:

[(1, 55487440), (2, 27743720), (4, 13871860), (5, 11097488), (8, 6935930), (10, 5548744), (16, 3467965), (20, 2774372), (29, 1913360), (40, 1387186), (58, 956680), (80, 693593), (116, 478340), (145, 382672), (232, 239170), (290, 191336), (464, 119585), (580, 95668), (1160, 47834), (2320, 23917)]