80459930840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{124067}}^1$

素因数の和:124632

約数の個数: 64

約数和(自身を含む): 187233500160

約数和(自身を除く): 106773569320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 523, 620, 1046, 1240, 2092, 2615, 4184, 5230, 10460, 16213, 20920, 32426, 64852, 81065, 124067, 129704, 162130, 248134, 324260, 496268, 620335, 648520, 992536, 1240670, 2481340, 3846077, 4962680, 7692154, 15384308, 19230385, 30768616, 38460770, 64887041, 76921540, 129774082, 153843080, 259548164, 324435205, 519096328, 648870410, 1297740820, 2011498271, 2595481640, 4022996542, 8045993084, 10057491355, 16091986168, 20114982710, 40229965420, 80459930840]

約数ペア:

[(1, 80459930840), (2, 40229965420), (4, 20114982710), (5, 16091986168), (8, 10057491355), (10, 8045993084), (20, 4022996542), (31, 2595481640), (40, 2011498271), (62, 1297740820), (124, 648870410), (155, 519096328), (248, 324435205), (310, 259548164), (523, 153843080), (620, 129774082), (1046, 76921540), (1240, 64887041), (2092, 38460770), (2615, 30768616), (4184, 19230385), (5230, 15384308), (10460, 7692154), (16213, 4962680), (20920, 3846077), (32426, 2481340), (64852, 1240670), (81065, 992536), (124067, 648520), (129704, 620335), (162130, 496268), (248134, 324260)]