38231680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 98703360

約数和(自身を除く): 60471680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 47, 62, 64, 80, 82, 94, 124, 128, 155, 160, 164, 188, 205, 235, 248, 310, 320, 328, 376, 410, 470, 496, 620, 640, 656, 752, 820, 940, 992, 1240, 1271, 1312, 1457, 1504, 1640, 1880, 1927, 1984, 2480, 2542, 2624, 2914, 3008, 3280, 3760, 3854, 3968, 4960, 5084, 5248, 5828, 6016, 6355, 6560, 7285, 7520, 7708, 9635, 9920, 10168, 11656, 12710, 13120, 14570, 15040, 15416, 19270, 19840, 20336, 23312, 25420, 26240, 29140, 30080, 30832, 38540, 40672, 46624, 50840, 58280, 59737, 61664, 77080, 81344, 93248, 101680, 116560, 119474, 123328, 154160, 162688, 186496, 203360, 233120, 238948, 246656, 298685, 308320, 406720, 466240, 477896, 597370, 616640, 813440, 932480, 955792, 1194740, 1233280, 1911584, 2389480, 3823168, 4778960, 7646336, 9557920, 19115840, 38231680]

約数ペア:

[(1, 38231680), (2, 19115840), (4, 9557920), (5, 7646336), (8, 4778960), (10, 3823168), (16, 2389480), (20, 1911584), (31, 1233280), (32, 1194740), (40, 955792), (41, 932480), (47, 813440), (62, 616640), (64, 597370), (80, 477896), (82, 466240), (94, 406720), (124, 308320), (128, 298685), (155, 246656), (160, 238948), (164, 233120), (188, 203360), (205, 186496), (235, 162688), (248, 154160), (310, 123328), (320, 119474), (328, 116560), (376, 101680), (410, 93248), (470, 81344), (496, 77080), (620, 61664), (640, 59737), (656, 58280), (752, 50840), (820, 46624), (940, 40672), (992, 38540), (1240, 30832), (1271, 30080), (1312, 29140), (1457, 26240), (1504, 25420), (1640, 23312), (1880, 20336), (1927, 19840), (1984, 19270), (2480, 15416), (2542, 15040), (2624, 14570), (2914, 13120), (3008, 12710), (3280, 11656), (3760, 10168), (3854, 9920), (3968, 9635), (4960, 7708), (5084, 7520), (5248, 7285), (5828, 6560), (6016, 6355)]