54954500

素因数分解:

$2^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 121080960

約数和(自身を除く): 66126460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 131, 250, 262, 500, 524, 655, 839, 1310, 1678, 2620, 3275, 3356, 4195, 6550, 8390, 13100, 16375, 16780, 20975, 32750, 41950, 65500, 83900, 104875, 109909, 209750, 219818, 419500, 439636, 549545, 1099090, 2198180, 2747725, 5495450, 10990900, 13738625, 27477250, 54954500]

約数ペア:

[(1, 54954500), (2, 27477250), (4, 13738625), (5, 10990900), (10, 5495450), (20, 2747725), (25, 2198180), (50, 1099090), (100, 549545), (125, 439636), (131, 419500), (250, 219818), (262, 209750), (500, 109909), (524, 104875), (655, 83900), (839, 65500), (1310, 41950), (1678, 32750), (2620, 20975), (3275, 16780), (3356, 16375), (4195, 13100), (6550, 8390)]