51103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{797}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 132148800

約数和(自身を除く): 81045160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 797, 916, 1145, 1594, 1603, 1832, 2290, 3188, 3206, 3985, 4580, 5579, 6376, 6412, 7970, 8015, 9160, 11158, 12824, 15940, 16030, 22316, 27895, 31880, 32060, 44632, 55790, 64120, 111580, 182513, 223160, 365026, 730052, 912565, 1277591, 1460104, 1825130, 2555182, 3650260, 5110364, 6387955, 7300520, 10220728, 12775910, 25551820, 51103640]

約数ペア:

[(1, 51103640), (2, 25551820), (4, 12775910), (5, 10220728), (7, 7300520), (8, 6387955), (10, 5110364), (14, 3650260), (20, 2555182), (28, 1825130), (35, 1460104), (40, 1277591), (56, 912565), (70, 730052), (140, 365026), (229, 223160), (280, 182513), (458, 111580), (797, 64120), (916, 55790), (1145, 44632), (1594, 32060), (1603, 31880), (1832, 27895), (2290, 22316), (3188, 16030), (3206, 15940), (3985, 12824), (4580, 11158), (5579, 9160), (6376, 8015), (6412, 7970)]