99409280

素因数分解:

$2^7\times 5^1\times {\mathrm{155327}}^1$

素因数の和:155346

約数の個数: 32

約数和(自身を含む): 237651840

約数和(自身を除く): 138242560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 155327, 310654, 621308, 776635, 1242616, 1553270, 2485232, 3106540, 4970464, 6213080, 9940928, 12426160, 19881856, 24852320, 49704640, 99409280]

約数ペア:

[(1, 99409280), (2, 49704640), (4, 24852320), (5, 19881856), (8, 12426160), (10, 9940928), (16, 6213080), (20, 4970464), (32, 3106540), (40, 2485232), (64, 1553270), (80, 1242616), (128, 776635), (160, 621308), (320, 310654), (640, 155327)]