82437680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2614

約数の個数: 80

約数和(自身を含む): 213153024

約数和(自身を除く): 130715344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2557, 3224, 4030, 5114, 6448, 8060, 10228, 12785, 16120, 20456, 25570, 32240, 33241, 40912, 51140, 66482, 79267, 102280, 132964, 158534, 166205, 204560, 265928, 317068, 332410, 396335, 531856, 634136, 664820, 792670, 1030471, 1268272, 1329640, 1585340, 2060942, 2659280, 3170680, 4121884, 5152355, 6341360, 8243768, 10304710, 16487536, 20609420, 41218840, 82437680]

約数ペア:

[(1, 82437680), (2, 41218840), (4, 20609420), (5, 16487536), (8, 10304710), (10, 8243768), (13, 6341360), (16, 5152355), (20, 4121884), (26, 3170680), (31, 2659280), (40, 2060942), (52, 1585340), (62, 1329640), (65, 1268272), (80, 1030471), (104, 792670), (124, 664820), (130, 634136), (155, 531856), (208, 396335), (248, 332410), (260, 317068), (310, 265928), (403, 204560), (496, 166205), (520, 158534), (620, 132964), (806, 102280), (1040, 79267), (1240, 66482), (1612, 51140), (2015, 40912), (2480, 33241), (2557, 32240), (3224, 25570), (4030, 20456), (5114, 16120), (6448, 12785), (8060, 10228)]