64364800

素因数分解:

$2^8\times 5^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 162528660

約数和(自身を除く): 98163860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 113, 128, 160, 178, 200, 226, 256, 320, 356, 400, 445, 452, 565, 640, 712, 800, 890, 904, 1130, 1280, 1424, 1600, 1780, 1808, 2225, 2260, 2825, 2848, 3200, 3560, 3616, 4450, 4520, 5650, 5696, 6400, 7120, 7232, 8900, 9040, 10057, 11300, 11392, 14240, 14464, 17800, 18080, 20114, 22600, 22784, 28480, 28928, 35600, 36160, 40228, 45200, 50285, 56960, 71200, 72320, 80456, 90400, 100570, 113920, 142400, 144640, 160912, 180800, 201140, 251425, 284800, 321824, 361600, 402280, 502850, 569600, 643648, 723200, 804560, 1005700, 1287296, 1609120, 2011400, 2574592, 3218240, 4022800, 6436480, 8045600, 12872960, 16091200, 32182400, 64364800]

約数ペア:

[(1, 64364800), (2, 32182400), (4, 16091200), (5, 12872960), (8, 8045600), (10, 6436480), (16, 4022800), (20, 3218240), (25, 2574592), (32, 2011400), (40, 1609120), (50, 1287296), (64, 1005700), (80, 804560), (89, 723200), (100, 643648), (113, 569600), (128, 502850), (160, 402280), (178, 361600), (200, 321824), (226, 284800), (256, 251425), (320, 201140), (356, 180800), (400, 160912), (445, 144640), (452, 142400), (565, 113920), (640, 100570), (712, 90400), (800, 80456), (890, 72320), (904, 71200), (1130, 56960), (1280, 50285), (1424, 45200), (1600, 40228), (1780, 36160), (1808, 35600), (2225, 28928), (2260, 28480), (2825, 22784), (2848, 22600), (3200, 20114), (3560, 18080), (3616, 17800), (4450, 14464), (4520, 14240), (5650, 11392), (5696, 11300), (6400, 10057), (7120, 9040), (7232, 8900)]