25334140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 32454500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 701, 1390, 1402, 1807, 2780, 2804, 3505, 3614, 7010, 7228, 9035, 9113, 14020, 18070, 18226, 36140, 36452, 45565, 91130, 97439, 182260, 194878, 389756, 487195, 974390, 1266707, 1948780, 2533414, 5066828, 6333535, 12667070, 25334140]

約数ペア:

[(1, 25334140), (2, 12667070), (4, 6333535), (5, 5066828), (10, 2533414), (13, 1948780), (20, 1266707), (26, 974390), (52, 487195), (65, 389756), (130, 194878), (139, 182260), (260, 97439), (278, 91130), (556, 45565), (695, 36452), (701, 36140), (1390, 18226), (1402, 18070), (1807, 14020), (2780, 9113), (2804, 9035), (3505, 7228), (3614, 7010)]