65240320

素因数分解:

$2^8\times 5^1\times {\mathrm{50969}}^1$

素因数の和:50990

約数の個数: 36

約数和(自身を含む): 156274020

約数和(自身を除く): 91033700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50969, 101938, 203876, 254845, 407752, 509690, 815504, 1019380, 1631008, 2038760, 3262016, 4077520, 6524032, 8155040, 13048064, 16310080, 32620160, 65240320]

約数ペア:

[(1, 65240320), (2, 32620160), (4, 16310080), (5, 13048064), (8, 8155040), (10, 6524032), (16, 4077520), (20, 3262016), (32, 2038760), (40, 1631008), (64, 1019380), (80, 815504), (128, 509690), (160, 407752), (256, 254845), (320, 203876), (640, 101938), (1280, 50969)]