2563550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 5356800

約数和(自身を除く): 2793250

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 79, 110, 118, 158, 275, 295, 395, 550, 590, 649, 790, 869, 1298, 1475, 1738, 1975, 2950, 3245, 3950, 4345, 4661, 6490, 8690, 9322, 16225, 21725, 23305, 32450, 43450, 46610, 51271, 102542, 116525, 233050, 256355, 512710, 1281775, 2563550]

約数ペア:

[(1, 2563550), (2, 1281775), (5, 512710), (10, 256355), (11, 233050), (22, 116525), (25, 102542), (50, 51271), (55, 46610), (59, 43450), (79, 32450), (110, 23305), (118, 21725), (158, 16225), (275, 9322), (295, 8690), (395, 6490), (550, 4661), (590, 4345), (649, 3950), (790, 3245), (869, 2950), (1298, 1975), (1475, 1738)]