80727892

素因数分解:

$2^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{983}}^1$

素因数の和:1420

約数の個数: 36

約数和(自身を含む): 164898720

約数和(自身を除く): 84170828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 419, 838, 983, 1676, 1966, 2933, 3932, 5866, 6881, 11732, 13762, 20531, 27524, 41062, 48167, 82124, 96334, 192668, 411877, 823754, 1647508, 2883139, 5766278, 11532556, 20181973, 40363946, 80727892]

約数ペア:

[(1, 80727892), (2, 40363946), (4, 20181973), (7, 11532556), (14, 5766278), (28, 2883139), (49, 1647508), (98, 823754), (196, 411877), (419, 192668), (838, 96334), (983, 82124), (1676, 48167), (1966, 41062), (2933, 27524), (3932, 20531), (5866, 13762), (6881, 11732)]