78401104

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{80329}}^1$

素因数の和:80398

約数の個数: 20

約数和(自身を含む): 154394260

約数和(自身を除く): 75993156

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 80329, 160658, 321316, 642632, 1285264, 4900069, 9800138, 19600276, 39200552, 78401104]

約数ペア:

[(1, 78401104), (2, 39200552), (4, 19600276), (8, 9800138), (16, 4900069), (61, 1285264), (122, 642632), (244, 321316), (488, 160658), (976, 80329)]