85259920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1109}}^1$

素因数の和:1184

約数の個数: 60

約数和(自身を含む): 205014780

約数和(自身を除く): 119754860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1109, 1240, 1922, 2218, 2480, 3844, 4436, 4805, 5545, 7688, 8872, 9610, 11090, 15376, 17744, 19220, 22180, 34379, 38440, 44360, 68758, 76880, 88720, 137516, 171895, 275032, 343790, 550064, 687580, 1065749, 1375160, 2131498, 2750320, 4262996, 5328745, 8525992, 10657490, 17051984, 21314980, 42629960, 85259920]

約数ペア:

[(1, 85259920), (2, 42629960), (4, 21314980), (5, 17051984), (8, 10657490), (10, 8525992), (16, 5328745), (20, 4262996), (31, 2750320), (40, 2131498), (62, 1375160), (80, 1065749), (124, 687580), (155, 550064), (248, 343790), (310, 275032), (496, 171895), (620, 137516), (961, 88720), (1109, 76880), (1240, 68758), (1922, 44360), (2218, 38440), (2480, 34379), (3844, 22180), (4436, 19220), (4805, 17744), (5545, 15376), (7688, 11090), (8872, 9610)]