2560428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5494

約数の個数: 36

約数和(自身を含む): 6971328

約数和(自身を除く): 4410900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 5471, 10942, 16413, 21884, 32826, 49239, 65652, 71123, 98478, 142246, 196956, 213369, 284492, 426738, 640107, 853476, 1280214, 2560428]

約数ペア:

[(1, 2560428), (2, 1280214), (3, 853476), (4, 640107), (6, 426738), (9, 284492), (12, 213369), (13, 196956), (18, 142246), (26, 98478), (36, 71123), (39, 65652), (52, 49239), (78, 32826), (117, 21884), (156, 16413), (234, 10942), (468, 5471)]