66906125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 103783680

約数和(自身を除く): 36877555

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 125, 143, 197, 209, 247, 275, 325, 475, 715, 985, 1045, 1235, 1375, 1625, 2167, 2375, 2561, 2717, 3575, 3743, 4925, 5225, 6175, 10835, 12805, 13585, 17875, 18715, 24625, 26125, 28171, 30875, 41173, 48659, 54175, 64025, 67925, 93575, 140855, 205865, 243295, 270875, 320125, 339625, 467875, 535249, 704275, 1029325, 1216475, 2676245, 3521375, 5146625, 6082375, 13381225, 66906125]

約数ペア:

[(1, 66906125), (5, 13381225), (11, 6082375), (13, 5146625), (19, 3521375), (25, 2676245), (55, 1216475), (65, 1029325), (95, 704275), (125, 535249), (143, 467875), (197, 339625), (209, 320125), (247, 270875), (275, 243295), (325, 205865), (475, 140855), (715, 93575), (985, 67925), (1045, 64025), (1235, 54175), (1375, 48659), (1625, 41173), (2167, 30875), (2375, 28171), (2561, 26125), (2717, 24625), (3575, 18715), (3743, 17875), (4925, 13585), (5225, 12805), (6175, 10835)]