51205120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 88

約数和(自身を含む): 125423784

約数和(自身を除く): 74218664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 137, 146, 160, 256, 274, 292, 320, 365, 512, 548, 584, 640, 685, 730, 1024, 1096, 1168, 1280, 1370, 1460, 2192, 2336, 2560, 2740, 2920, 4384, 4672, 5120, 5480, 5840, 8768, 9344, 10001, 10960, 11680, 17536, 18688, 20002, 21920, 23360, 35072, 37376, 40004, 43840, 46720, 50005, 70144, 74752, 80008, 87680, 93440, 100010, 140288, 160016, 175360, 186880, 200020, 320032, 350720, 373760, 400040, 640064, 701440, 800080, 1280128, 1600160, 2560256, 3200320, 5120512, 6400640, 10241024, 12801280, 25602560, 51205120]

約数ペア:

[(1, 51205120), (2, 25602560), (4, 12801280), (5, 10241024), (8, 6400640), (10, 5120512), (16, 3200320), (20, 2560256), (32, 1600160), (40, 1280128), (64, 800080), (73, 701440), (80, 640064), (128, 400040), (137, 373760), (146, 350720), (160, 320032), (256, 200020), (274, 186880), (292, 175360), (320, 160016), (365, 140288), (512, 100010), (548, 93440), (584, 87680), (640, 80008), (685, 74752), (730, 70144), (1024, 50005), (1096, 46720), (1168, 43840), (1280, 40004), (1370, 37376), (1460, 35072), (2192, 23360), (2336, 21920), (2560, 20002), (2740, 18688), (2920, 17536), (4384, 11680), (4672, 10960), (5120, 10001), (5480, 9344), (5840, 8768)]