201600741875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{3529}}^1$

素因数の和:3730

約数の個数: 80

約数和(自身を含む): 277898544000

約数和(自身を除く): 76297802125

約数列:

[1, 5, 13, 25, 65, 79, 89, 125, 325, 395, 445, 625, 1027, 1157, 1625, 1975, 2225, 3529, 5135, 5785, 7031, 8125, 9875, 11125, 17645, 25675, 28925, 35155, 45877, 49375, 55625, 88225, 91403, 128375, 144625, 175775, 229385, 278791, 314081, 441125, 457015, 641875, 723125, 878875, 1146925, 1393955, 1570405, 2205625, 2285075, 3624283, 4083053, 4394375, 5734625, 6969775, 7852025, 11425375, 18121415, 20415265, 24812399, 28673125, 34848875, 39260125, 57126875, 90607075, 102076325, 124061995, 174244375, 196300625, 322561187, 453035375, 510381625, 620309975, 1612805935, 2265176875, 2551908125, 3101549875, 8064029675, 15507749375, 40320148375, 201600741875]

約数ペア:

[(1, 201600741875), (5, 40320148375), (13, 15507749375), (25, 8064029675), (65, 3101549875), (79, 2551908125), (89, 2265176875), (125, 1612805935), (325, 620309975), (395, 510381625), (445, 453035375), (625, 322561187), (1027, 196300625), (1157, 174244375), (1625, 124061995), (1975, 102076325), (2225, 90607075), (3529, 57126875), (5135, 39260125), (5785, 34848875), (7031, 28673125), (8125, 24812399), (9875, 20415265), (11125, 18121415), (17645, 11425375), (25675, 7852025), (28925, 6969775), (35155, 5734625), (45877, 4394375), (49375, 4083053), (55625, 3624283), (88225, 2285075), (91403, 2205625), (128375, 1570405), (144625, 1393955), (175775, 1146925), (229385, 878875), (278791, 723125), (314081, 641875), (441125, 457015)]