1025420

素因数分解:

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

素因数の和:158

約数の個数: 48

約数和(自身を含む): 2419200

約数和(自身を除く): 1393780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 79, 110, 118, 158, 220, 236, 295, 316, 395, 590, 649, 790, 869, 1180, 1298, 1580, 1738, 2596, 3245, 3476, 4345, 4661, 6490, 8690, 9322, 12980, 17380, 18644, 23305, 46610, 51271, 93220, 102542, 205084, 256355, 512710, 1025420]

約数ペア:

[(1, 1025420), (2, 512710), (4, 256355), (5, 205084), (10, 102542), (11, 93220), (20, 51271), (22, 46610), (44, 23305), (55, 18644), (59, 17380), (79, 12980), (110, 9322), (118, 8690), (158, 6490), (220, 4661), (236, 4345), (295, 3476), (316, 3245), (395, 2596), (590, 1738), (649, 1580), (790, 1298), (869, 1180)]