103920640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{20297}}^1$

素因数の和:20322

約数の個数: 44

約数和(自身を含む): 249300036

約数和(自身を除く): 145379396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 20297, 40594, 81188, 101485, 162376, 202970, 324752, 405940, 649504, 811880, 1299008, 1623760, 2598016, 3247520, 5196032, 6495040, 10392064, 12990080, 20784128, 25980160, 51960320, 103920640]

約数ペア:

[(1, 103920640), (2, 51960320), (4, 25980160), (5, 20784128), (8, 12990080), (10, 10392064), (16, 6495040), (20, 5196032), (32, 3247520), (40, 2598016), (64, 1623760), (80, 1299008), (128, 811880), (160, 649504), (256, 405940), (320, 324752), (512, 202970), (640, 162376), (1024, 101485), (1280, 81188), (2560, 40594), (5120, 20297)]