51789530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 105670656

約数和(自身を除く): 53881126

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 130, 142, 155, 181, 310, 355, 362, 403, 710, 806, 905, 923, 1810, 1846, 2015, 2201, 2353, 4030, 4402, 4615, 4706, 5611, 9230, 11005, 11222, 11765, 12851, 22010, 23530, 25702, 28055, 28613, 56110, 57226, 64255, 72943, 128510, 143065, 145886, 167063, 286130, 334126, 364715, 398381, 729430, 796762, 835315, 1670630, 1991905, 3983810, 5178953, 10357906, 25894765, 51789530]

約数ペア:

[(1, 51789530), (2, 25894765), (5, 10357906), (10, 5178953), (13, 3983810), (26, 1991905), (31, 1670630), (62, 835315), (65, 796762), (71, 729430), (130, 398381), (142, 364715), (155, 334126), (181, 286130), (310, 167063), (355, 145886), (362, 143065), (403, 128510), (710, 72943), (806, 64255), (905, 57226), (923, 56110), (1810, 28613), (1846, 28055), (2015, 25702), (2201, 23530), (2353, 22010), (4030, 12851), (4402, 11765), (4615, 11222), (4706, 11005), (5611, 9230)]