13551140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 30119040

約数和(自身を除く): 16567900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 331, 356, 445, 460, 662, 890, 1324, 1655, 1780, 2047, 3310, 4094, 6620, 7613, 8188, 10235, 15226, 20470, 29459, 30452, 38065, 40940, 58918, 76130, 117836, 147295, 152260, 294590, 589180, 677557, 1355114, 2710228, 3387785, 6775570, 13551140]

約数ペア:

[(1, 13551140), (2, 6775570), (4, 3387785), (5, 2710228), (10, 1355114), (20, 677557), (23, 589180), (46, 294590), (89, 152260), (92, 147295), (115, 117836), (178, 76130), (230, 58918), (331, 40940), (356, 38065), (445, 30452), (460, 29459), (662, 20470), (890, 15226), (1324, 10235), (1655, 8188), (1780, 7613), (2047, 6620), (3310, 4094)]