25120208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 50387400

約数和(自身を除く): 25267192

約数列:

[1, 2, 4, 8, 16, 41, 82, 149, 164, 257, 298, 328, 514, 596, 656, 1028, 1192, 2056, 2384, 4112, 6109, 10537, 12218, 21074, 24436, 38293, 42148, 48872, 76586, 84296, 97744, 153172, 168592, 306344, 612688, 1570013, 3140026, 6280052, 12560104, 25120208]

約数ペア:

[(1, 25120208), (2, 12560104), (4, 6280052), (8, 3140026), (16, 1570013), (41, 612688), (82, 306344), (149, 168592), (164, 153172), (257, 97744), (298, 84296), (328, 76586), (514, 48872), (596, 42148), (656, 38293), (1028, 24436), (1192, 21074), (2056, 12218), (2384, 10537), (4112, 6109)]