64804420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{54919}}^1$

素因数の和:54987

約数の個数: 24

約数和(自身を含む): 138398400

約数和(自身を除く): 73593980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 54919, 109838, 219676, 274595, 549190, 1098380, 3240221, 6480442, 12960884, 16201105, 32402210, 64804420]

約数ペア:

[(1, 64804420), (2, 32402210), (4, 16201105), (5, 12960884), (10, 6480442), (20, 3240221), (59, 1098380), (118, 549190), (236, 274595), (295, 219676), (590, 109838), (1180, 54919)]