102816520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 240589440

約数和(自身を除く): 137772920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 820, 883, 1420, 1640, 1766, 2840, 2911, 3532, 4415, 5822, 7064, 8830, 11644, 14555, 17660, 23288, 29110, 35320, 36203, 58220, 62693, 72406, 116440, 125386, 144812, 181015, 250772, 289624, 313465, 362030, 501544, 626930, 724060, 1253860, 1448120, 2507720, 2570413, 5140826, 10281652, 12852065, 20563304, 25704130, 51408260, 102816520]

約数ペア:

[(1, 102816520), (2, 51408260), (4, 25704130), (5, 20563304), (8, 12852065), (10, 10281652), (20, 5140826), (40, 2570413), (41, 2507720), (71, 1448120), (82, 1253860), (142, 724060), (164, 626930), (205, 501544), (284, 362030), (328, 313465), (355, 289624), (410, 250772), (568, 181015), (710, 144812), (820, 125386), (883, 116440), (1420, 72406), (1640, 62693), (1766, 58220), (2840, 36203), (2911, 35320), (3532, 29110), (4415, 23288), (5822, 17660), (7064, 14555), (8830, 11644)]