20090939450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{71333}}^1$

素因数の和:71519

約数の個数: 48

約数和(自身を含む): 38530632096

約数和(自身を除く): 18439692646

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 131, 215, 262, 430, 655, 1075, 1310, 2150, 3275, 5633, 6550, 11266, 28165, 56330, 71333, 140825, 142666, 281650, 356665, 713330, 1783325, 3067319, 3566650, 6134638, 9344623, 15336595, 18689246, 30673190, 46723115, 76682975, 93446230, 153365950, 233615575, 401818789, 467231150, 803637578, 2009093945, 4018187890, 10045469725, 20090939450]

約数ペア:

[(1, 20090939450), (2, 10045469725), (5, 4018187890), (10, 2009093945), (25, 803637578), (43, 467231150), (50, 401818789), (86, 233615575), (131, 153365950), (215, 93446230), (262, 76682975), (430, 46723115), (655, 30673190), (1075, 18689246), (1310, 15336595), (2150, 9344623), (3275, 6134638), (5633, 3566650), (6550, 3067319), (11266, 1783325), (28165, 713330), (56330, 356665), (71333, 281650), (140825, 142666)]