25091440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28513}}^1$

素因数の和:28537

約数の個数: 40

約数和(自身を含む): 63643248

約数和(自身を除く): 38551808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28513, 57026, 114052, 142565, 228104, 285130, 313643, 456208, 570260, 627286, 1140520, 1254572, 1568215, 2281040, 2509144, 3136430, 5018288, 6272860, 12545720, 25091440]

約数ペア:

[(1, 25091440), (2, 12545720), (4, 6272860), (5, 5018288), (8, 3136430), (10, 2509144), (11, 2281040), (16, 1568215), (20, 1254572), (22, 1140520), (40, 627286), (44, 570260), (55, 456208), (80, 313643), (88, 285130), (110, 228104), (176, 142565), (220, 114052), (440, 57026), (880, 28513)]