21910400

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 55777680

約数和(自身を除く): 33867280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 167, 200, 205, 320, 328, 334, 400, 410, 640, 656, 668, 800, 820, 835, 1025, 1312, 1336, 1600, 1640, 1670, 2050, 2624, 2672, 3200, 3280, 3340, 4100, 4175, 5248, 5344, 6560, 6680, 6847, 8200, 8350, 10688, 13120, 13360, 13694, 16400, 16700, 21376, 26240, 26720, 27388, 32800, 33400, 34235, 53440, 54776, 65600, 66800, 68470, 106880, 109552, 131200, 133600, 136940, 171175, 219104, 267200, 273880, 342350, 438208, 534400, 547760, 684700, 876416, 1095520, 1369400, 2191040, 2738800, 4382080, 5477600, 10955200, 21910400]

約数ペア:

[(1, 21910400), (2, 10955200), (4, 5477600), (5, 4382080), (8, 2738800), (10, 2191040), (16, 1369400), (20, 1095520), (25, 876416), (32, 684700), (40, 547760), (41, 534400), (50, 438208), (64, 342350), (80, 273880), (82, 267200), (100, 219104), (128, 171175), (160, 136940), (164, 133600), (167, 131200), (200, 109552), (205, 106880), (320, 68470), (328, 66800), (334, 65600), (400, 54776), (410, 53440), (640, 34235), (656, 33400), (668, 32800), (800, 27388), (820, 26720), (835, 26240), (1025, 21376), (1312, 16700), (1336, 16400), (1600, 13694), (1640, 13360), (1670, 13120), (2050, 10688), (2624, 8350), (2672, 8200), (3200, 6847), (3280, 6680), (3340, 6560), (4100, 5344), (4175, 5248)]