40096640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 103403520

約数和(自身を除く): 63306880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 47, 62, 64, 80, 86, 94, 124, 128, 155, 160, 172, 188, 215, 235, 248, 310, 320, 344, 376, 430, 470, 496, 620, 640, 688, 752, 860, 940, 992, 1240, 1333, 1376, 1457, 1504, 1720, 1880, 1984, 2021, 2480, 2666, 2752, 2914, 3008, 3440, 3760, 3968, 4042, 4960, 5332, 5504, 5828, 6016, 6665, 6880, 7285, 7520, 8084, 9920, 10105, 10664, 11656, 13330, 13760, 14570, 15040, 16168, 19840, 20210, 21328, 23312, 26660, 27520, 29140, 30080, 32336, 40420, 42656, 46624, 53320, 58280, 62651, 64672, 80840, 85312, 93248, 106640, 116560, 125302, 129344, 161680, 170624, 186496, 213280, 233120, 250604, 258688, 313255, 323360, 426560, 466240, 501208, 626510, 646720, 853120, 932480, 1002416, 1253020, 1293440, 2004832, 2506040, 4009664, 5012080, 8019328, 10024160, 20048320, 40096640]

約数ペア:

[(1, 40096640), (2, 20048320), (4, 10024160), (5, 8019328), (8, 5012080), (10, 4009664), (16, 2506040), (20, 2004832), (31, 1293440), (32, 1253020), (40, 1002416), (43, 932480), (47, 853120), (62, 646720), (64, 626510), (80, 501208), (86, 466240), (94, 426560), (124, 323360), (128, 313255), (155, 258688), (160, 250604), (172, 233120), (188, 213280), (215, 186496), (235, 170624), (248, 161680), (310, 129344), (320, 125302), (344, 116560), (376, 106640), (430, 93248), (470, 85312), (496, 80840), (620, 64672), (640, 62651), (688, 58280), (752, 53320), (860, 46624), (940, 42656), (992, 40420), (1240, 32336), (1333, 30080), (1376, 29140), (1457, 27520), (1504, 26660), (1720, 23312), (1880, 21328), (1984, 20210), (2021, 19840), (2480, 16168), (2666, 15040), (2752, 14570), (2914, 13760), (3008, 13330), (3440, 11656), (3760, 10664), (3968, 10105), (4042, 9920), (4960, 8084), (5332, 7520), (5504, 7285), (5828, 6880), (6016, 6665)]