87290680

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2953}}^1$

素因数の和:3703

約数の個数: 32

約数和(自身を含む): 196736400

約数和(自身を除く): 109445720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2953, 2956, 3695, 5906, 5912, 7390, 11812, 14765, 14780, 23624, 29530, 29560, 59060, 118120, 2182267, 4364534, 8729068, 10911335, 17458136, 21822670, 43645340, 87290680]

約数ペア:

[(1, 87290680), (2, 43645340), (4, 21822670), (5, 17458136), (8, 10911335), (10, 8729068), (20, 4364534), (40, 2182267), (739, 118120), (1478, 59060), (2953, 29560), (2956, 29530), (3695, 23624), (5906, 14780), (5912, 14765), (7390, 11812)]