71357680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13313}}^1$

素因数の和:13393

約数の個数: 40

約数和(自身を含む): 168395472

約数和(自身を除く): 97037792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 13313, 26626, 53252, 66565, 106504, 133130, 213008, 266260, 532520, 891971, 1065040, 1783942, 3567884, 4459855, 7135768, 8919710, 14271536, 17839420, 35678840, 71357680]

約数ペア:

[(1, 71357680), (2, 35678840), (4, 17839420), (5, 14271536), (8, 8919710), (10, 7135768), (16, 4459855), (20, 3567884), (40, 1783942), (67, 1065040), (80, 891971), (134, 532520), (268, 266260), (335, 213008), (536, 133130), (670, 106504), (1072, 66565), (1340, 53252), (2680, 26626), (5360, 13313)]