25602560

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 80

約数和(自身を含む): 62681256

約数和(自身を除く): 37078696

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, 1096, 1168, 1280, 1370, 1460, 2192, 2336, 2560, 2740, 2920, 4384, 4672, 5480, 5840, 8768, 9344, 10001, 10960, 11680, 17536, 18688, 20002, 21920, 23360, 35072, 37376, 40004, 43840, 46720, 50005, 70144, 80008, 87680, 93440, 100010, 160016, 175360, 186880, 200020, 320032, 350720, 400040, 640064, 800080, 1280128, 1600160, 2560256, 3200320, 5120512, 6400640, 12801280, 25602560]

約数ペア:

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