71394940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1049}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 155584800

約数和(自身を除く): 84189860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1049, 1660, 2098, 3403, 4196, 5245, 6806, 10490, 13612, 17015, 20980, 34030, 43009, 68060, 86018, 87067, 172036, 174134, 215045, 348268, 430090, 435335, 860180, 870670, 1741340, 3569747, 7139494, 14278988, 17848735, 35697470, 71394940]

約数ペア:

[(1, 71394940), (2, 35697470), (4, 17848735), (5, 14278988), (10, 7139494), (20, 3569747), (41, 1741340), (82, 870670), (83, 860180), (164, 435335), (166, 430090), (205, 348268), (332, 215045), (410, 174134), (415, 172036), (820, 87067), (830, 86018), (1049, 68060), (1660, 43009), (2098, 34030), (3403, 20980), (4196, 17015), (5245, 13612), (6806, 10490)]