19760444300

素因数分解:

$2^2\times 5^2\times {\mathrm{15427}}^1\times {\mathrm{12809}}^1$

素因数の和:28250

約数の個数: 36

約数和(自身を含む): 42886291560

約数和(自身を除く): 23125847260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 12809, 15427, 25618, 30854, 51236, 61708, 64045, 77135, 128090, 154270, 256180, 308540, 320225, 385675, 640450, 771350, 1280900, 1542700, 197604443, 395208886, 790417772, 988022215, 1976044430, 3952088860, 4940111075, 9880222150, 19760444300]

約数ペア:

[(1, 19760444300), (2, 9880222150), (4, 4940111075), (5, 3952088860), (10, 1976044430), (20, 988022215), (25, 790417772), (50, 395208886), (100, 197604443), (12809, 1542700), (15427, 1280900), (25618, 771350), (30854, 640450), (51236, 385675), (61708, 320225), (64045, 308540), (77135, 256180), (128090, 154270)]