53214820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 118641600

約数和(自身を除く): 65426780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1069, 1310, 2138, 2489, 2620, 4276, 4978, 5345, 9956, 10690, 12445, 20311, 21380, 24890, 40622, 49780, 81244, 101555, 140039, 203110, 280078, 406220, 560156, 700195, 1400390, 2660741, 2800780, 5321482, 10642964, 13303705, 26607410, 53214820]

約数ペア:

[(1, 53214820), (2, 26607410), (4, 13303705), (5, 10642964), (10, 5321482), (19, 2800780), (20, 2660741), (38, 1400390), (76, 700195), (95, 560156), (131, 406220), (190, 280078), (262, 203110), (380, 140039), (524, 101555), (655, 81244), (1069, 49780), (1310, 40622), (2138, 24890), (2489, 21380), (2620, 20311), (4276, 12445), (4978, 10690), (5345, 9956)]