68885360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{50651}}^1$

素因数の和:50681

約数の個数: 40

約数和(自身を含む): 169582896

約数和(自身を除く): 100697536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 50651, 101302, 202604, 253255, 405208, 506510, 810416, 861067, 1013020, 1722134, 2026040, 3444268, 4052080, 4305335, 6888536, 8610670, 13777072, 17221340, 34442680, 68885360]

約数ペア:

[(1, 68885360), (2, 34442680), (4, 17221340), (5, 13777072), (8, 8610670), (10, 6888536), (16, 4305335), (17, 4052080), (20, 3444268), (34, 2026040), (40, 1722134), (68, 1013020), (80, 861067), (85, 810416), (136, 506510), (170, 405208), (272, 253255), (340, 202604), (680, 101302), (1360, 50651)]