25709440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 65759400

約数和(自身を除く): 40049960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 139, 160, 170, 272, 278, 289, 320, 340, 544, 556, 578, 640, 680, 695, 1088, 1112, 1156, 1360, 1390, 1445, 2176, 2224, 2312, 2363, 2720, 2780, 2890, 4448, 4624, 4726, 5440, 5560, 5780, 8896, 9248, 9452, 10880, 11120, 11560, 11815, 17792, 18496, 18904, 22240, 23120, 23630, 36992, 37808, 40171, 44480, 46240, 47260, 75616, 80342, 88960, 92480, 94520, 151232, 160684, 184960, 189040, 200855, 302464, 321368, 378080, 401710, 642736, 756160, 803420, 1285472, 1512320, 1606840, 2570944, 3213680, 5141888, 6427360, 12854720, 25709440]

約数ペア:

[(1, 25709440), (2, 12854720), (4, 6427360), (5, 5141888), (8, 3213680), (10, 2570944), (16, 1606840), (17, 1512320), (20, 1285472), (32, 803420), (34, 756160), (40, 642736), (64, 401710), (68, 378080), (80, 321368), (85, 302464), (128, 200855), (136, 189040), (139, 184960), (160, 160684), (170, 151232), (272, 94520), (278, 92480), (289, 88960), (320, 80342), (340, 75616), (544, 47260), (556, 46240), (578, 44480), (640, 40171), (680, 37808), (695, 36992), (1088, 23630), (1112, 23120), (1156, 22240), (1360, 18904), (1390, 18496), (1445, 17792), (2176, 11815), (2224, 11560), (2312, 11120), (2363, 10880), (2720, 9452), (2780, 9248), (2890, 8896), (4448, 5780), (4624, 5560), (4726, 5440)]