28688360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31183}}^1$

素因数の和:31217

約数の個数: 32

約数和(自身を含む): 67357440

約数和(自身を除く): 38669080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31183, 62366, 124732, 155915, 249464, 311830, 623660, 717209, 1247320, 1434418, 2868836, 3586045, 5737672, 7172090, 14344180, 28688360]

約数ペア:

[(1, 28688360), (2, 14344180), (4, 7172090), (5, 5737672), (8, 3586045), (10, 2868836), (20, 1434418), (23, 1247320), (40, 717209), (46, 623660), (92, 311830), (115, 249464), (184, 155915), (230, 124732), (460, 62366), (920, 31183)]