40962040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20899}}^1$

素因数の和:20924

約数の個数: 48

約数和(自身を含む): 107217000

約数和(自身を除く): 66254960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20899, 41798, 83596, 104495, 146293, 167192, 208990, 292586, 417980, 585172, 731465, 835960, 1024051, 1170344, 1462930, 2048102, 2925860, 4096204, 5120255, 5851720, 8192408, 10240510, 20481020, 40962040]

約数ペア:

[(1, 40962040), (2, 20481020), (4, 10240510), (5, 8192408), (7, 5851720), (8, 5120255), (10, 4096204), (14, 2925860), (20, 2048102), (28, 1462930), (35, 1170344), (40, 1024051), (49, 835960), (56, 731465), (70, 585172), (98, 417980), (140, 292586), (196, 208990), (245, 167192), (280, 146293), (392, 104495), (490, 83596), (980, 41798), (1960, 20899)]