4720640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{461}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 11351340

約数和(自身を除く): 6630700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 461, 512, 640, 922, 1024, 1280, 1844, 2048, 2305, 2560, 3688, 4610, 5120, 7376, 9220, 10240, 14752, 18440, 29504, 36880, 59008, 73760, 118016, 147520, 236032, 295040, 472064, 590080, 944128, 1180160, 2360320, 4720640]

約数ペア:

[(1, 4720640), (2, 2360320), (4, 1180160), (5, 944128), (8, 590080), (10, 472064), (16, 295040), (20, 236032), (32, 147520), (40, 118016), (64, 73760), (80, 59008), (128, 36880), (160, 29504), (256, 18440), (320, 14752), (461, 10240), (512, 9220), (640, 7376), (922, 5120), (1024, 4610), (1280, 3688), (1844, 2560), (2048, 2305)]