205677940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11807}}^1$

素因数の和:11896

約数の個数: 48

約数和(自身を含む): 472131072

約数和(自身を除く): 266453132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 11807, 17420, 23614, 47228, 59035, 118070, 153491, 236140, 306982, 613964, 767455, 791069, 1534910, 1582138, 3069820, 3164276, 3955345, 7910690, 10283897, 15821380, 20567794, 41135588, 51419485, 102838970, 205677940]

約数ペア:

[(1, 205677940), (2, 102838970), (4, 51419485), (5, 41135588), (10, 20567794), (13, 15821380), (20, 10283897), (26, 7910690), (52, 3955345), (65, 3164276), (67, 3069820), (130, 1582138), (134, 1534910), (260, 791069), (268, 767455), (335, 613964), (670, 306982), (871, 236140), (1340, 153491), (1742, 118070), (3484, 59035), (4355, 47228), (8710, 23614), (11807, 17420)]