16650400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1634

約数の個数: 72

約数和(自身を含む): 43801884

約数和(自身を除く): 27151484

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1601, 2080, 2600, 3202, 5200, 6404, 8005, 10400, 12808, 16010, 20813, 25616, 32020, 40025, 41626, 51232, 64040, 80050, 83252, 104065, 128080, 160100, 166504, 208130, 256160, 320200, 333008, 416260, 520325, 640400, 666016, 832520, 1040650, 1280800, 1665040, 2081300, 3330080, 4162600, 8325200, 16650400]

約数ペア:

[(1, 16650400), (2, 8325200), (4, 4162600), (5, 3330080), (8, 2081300), (10, 1665040), (13, 1280800), (16, 1040650), (20, 832520), (25, 666016), (26, 640400), (32, 520325), (40, 416260), (50, 333008), (52, 320200), (65, 256160), (80, 208130), (100, 166504), (104, 160100), (130, 128080), (160, 104065), (200, 83252), (208, 80050), (260, 64040), (325, 51232), (400, 41626), (416, 40025), (520, 32020), (650, 25616), (800, 20813), (1040, 16010), (1300, 12808), (1601, 10400), (2080, 8005), (2600, 6404), (3202, 5200)]