25357420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 58867200

約数和(自身を除く): 33509780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1459, 1580, 1738, 2918, 3476, 4345, 5836, 7295, 8690, 14590, 16049, 17380, 29180, 32098, 64196, 80245, 115261, 160490, 230522, 320980, 461044, 576305, 1152610, 1267871, 2305220, 2535742, 5071484, 6339355, 12678710, 25357420]

約数ペア:

[(1, 25357420), (2, 12678710), (4, 6339355), (5, 5071484), (10, 2535742), (11, 2305220), (20, 1267871), (22, 1152610), (44, 576305), (55, 461044), (79, 320980), (110, 230522), (158, 160490), (220, 115261), (316, 80245), (395, 64196), (790, 32098), (869, 29180), (1459, 17380), (1580, 16049), (1738, 14590), (2918, 8690), (3476, 7295), (4345, 5836)]