11980280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23039}}^1$

素因数の和:23063

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 17050120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 23039, 46078, 92156, 115195, 184312, 230390, 299507, 460780, 599014, 921560, 1198028, 1497535, 2396056, 2995070, 5990140, 11980280]

約数ペア:

[(1, 11980280), (2, 5990140), (4, 2995070), (5, 2396056), (8, 1497535), (10, 1198028), (13, 921560), (20, 599014), (26, 460780), (40, 299507), (52, 230390), (65, 184312), (104, 115195), (130, 92156), (260, 46078), (520, 23039)]