71030320

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4507}}^1$

素因数の和:4717

約数の個数: 40

約数和(自身を含む): 166020624

約数和(自身を除く): 94990304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4507, 7880, 9014, 15760, 18028, 22535, 36056, 45070, 72112, 90140, 180280, 360560, 887879, 1775758, 3551516, 4439395, 7103032, 8878790, 14206064, 17757580, 35515160, 71030320]

約数ペア:

[(1, 71030320), (2, 35515160), (4, 17757580), (5, 14206064), (8, 8878790), (10, 7103032), (16, 4439395), (20, 3551516), (40, 1775758), (80, 887879), (197, 360560), (394, 180280), (788, 90140), (985, 72112), (1576, 45070), (1970, 36056), (3152, 22535), (3940, 18028), (4507, 15760), (7880, 9014)]