27435820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^2$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 58850064

約数和(自身を除く): 31414244

約数列:

[1, 2, 4, 5, 10, 20, 71, 139, 142, 278, 284, 355, 556, 695, 710, 1390, 1420, 2780, 9869, 19321, 19738, 38642, 39476, 49345, 77284, 96605, 98690, 193210, 197380, 386420, 1371791, 2743582, 5487164, 6858955, 13717910, 27435820]

約数ペア:

[(1, 27435820), (2, 13717910), (4, 6858955), (5, 5487164), (10, 2743582), (20, 1371791), (71, 386420), (139, 197380), (142, 193210), (278, 98690), (284, 96605), (355, 77284), (556, 49345), (695, 39476), (710, 38642), (1390, 19738), (1420, 19321), (2780, 9869)]